Target type: biologicalprocess
The process leading to shortening and/or development of tension in the urinary bladder smooth muscle tissue involved in the expulsion urine from the body. [GOC:dph, PMID:15827347]
Protein | Definition | Taxonomy |
---|---|---|
Transient receptor potential cation channel subfamily V member 1 | A transient receptor potential cation channel TRPV1 that is encoded in the genome of human. [PRO:CNA, UniProtKB:Q8NER1] | Homo sapiens (human) |
Calcium-activated potassium channel subunit alpha-1 | A calcium-activated potassium channel subunit alpha-1 that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q12791] | Homo sapiens (human) |
Substance-P receptor | A substance-P receptor that is encoded in the genome of human. [PRO:WCB, UniProtKB:P25103] | Homo sapiens (human) |
Compound | Definition | Classes | Roles |
---|---|---|---|
2-aminoethoxydiphenyl borate | 2-aminoethoxydiphenyl borate: is a novel membrane-penetrable modulator and transient receptor potential channel blocker; structure in first source; do not confuse with 2-APB cpd 2-aminoethoxydiphenylborane : An organoboron compound that is diphenylborane in which the borane hydrogen is replaced by a 2-aminoethoxy group. | organoboron compound; primary amino compound | calcium channel blocker; IP3 receptor antagonist; potassium channel opener |
astemizole | astemizole : A piperidine compound having a 2-(4-methoxyphenyl)ethyl group at the 1-position and an N-[(4-fluorobenzyl)benzimidazol-2-yl]amino group at the 4-position. Astemizole: Antihistamine drug now withdrawn from the market in many countries because of rare but potentially fatal side effects. | benzimidazoles; piperidines | anti-allergic agent; anticoronaviral agent; H1-receptor antagonist |
benzyl isothiocyanate | benzyl isothiocyanate: inhibits carcinogen-induced neoplasia; structure in Negwer, 5th ed, #715; also promotes urinary bladder carcinoma | benzenes; isothiocyanate | antibacterial drug |
cannabinol | Cannabinol: A physiologically inactive constituent of Cannabis sativa L. | dibenzopyran | |
clotrimazole | conazole antifungal drug; imidazole antifungal drug; imidazoles; monochlorobenzenes | antiinfective agent; environmental contaminant; xenobiotic | |
econazole | 1-{2-(4-chlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl}imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 4-chlorobenzyl group. econazole : A racemate composed of equimolar amounts of (R)- and (S)-econazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. Econazole: An imidazole derivative that is commonly used as a topical antifungal agent. | dichlorobenzene; ether; imidazoles; monochlorobenzenes | |
miconazole | 1-[2-(2,4-dichlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl]imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 2,4-dichlorobenzyl group. miconazole : A racemate composed of equimolar amounts of (R)- and (S)-miconazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. It inhibits the synthesis of ergosterol, a critical component of fungal cell membranes. Miconazole: An imidazole antifungal agent that is used topically and by intravenous infusion. | dichlorobenzene; ether; imidazoles | |
ns 1619 | NS 1619 : A member of the class of benzimidazoles that is 1,3-dihydro-2H-benzimidazol-2-one in which the hydrogens at positions 1 and 5 are replaced are replaced by 2-hydroxy-5-(trifluoromethyl)phenyl and trifluoromethyl groups, respectively. It is an opener/activator of the large-conductance calcium-activated potassium channel (Bkca). NS 1619: structure given in first source | (trifluoromethyl)benzenes; benzimidazoles; phenols | potassium channel opener |
palmidrol | palmidrol: a cannabinoid receptor-inactive eCB-related molecule used as prophylactic in helping to prevent respiratory viral infection palmitoyl ethanolamide : An N-(long-chain-acyl)ethanolamine that is the ethanolamide of palmitic (hexadecanoic) acid. | endocannabinoid; N-(long-chain-acyl)ethanolamine; N-(saturated fatty acyl)ethanolamine | anti-inflammatory drug; anticonvulsant; antihypertensive agent; neuroprotective agent |
allyl isothiocyanate | allyl isothiocyanate : An isothiocyanate with the formula CH2=CHCH2N=C=S. A colorless oil with boiling point 152degreeC, it is responsible for the pungent taste of mustard, horseradish, and wasabi. allyl isothiocyanate: used in the manufacture of flavors, war gases; medical use as a counterirritant; structure | alkenyl isothiocyanate; isothiocyanate | antimicrobial agent; antineoplastic agent; apoptosis inducer; lachrymator; metabolite |
citronellol | citronellol : A monoterpenoid that is oct-6-ene substituted by a hydroxy group at position 1 and methyl groups at positions 3 and 7. citronellol: alcohol form of citronellal; found in rose oil; RN given refers to parent cpd without isomeric designation; structure insect repellent : An insecticide that acts as a repellent to insects. | monoterpenoid | plant metabolite |
citronellyl acetate | citronellol acetate : A monoterpenoid that is the acetate ester of citronellol. It has been isolated from Citrus hystrix. citronellyl acetate: RN given refers to cpd without isomeric designation | acetate ester; monoterpenoid | plant metabolite |
phenethyl isothiocyanate | phenethyl isothiocyanate : An isothiocyanate having a phenethyl group attached to the nitrogen. It is a naturally occurring compound found in some cruciferous vegetables (e.g. watercress) and is known to possess anticancer properties. phenethyl isothiocyanate: a dietary liver aldehyde dehydrogenase inhibitor; promotes urinary bladder carcinoma | isothiocyanate | antineoplastic agent; EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor; metabolite |
cannabichromene | 1-benzopyran | ||
substance p | peptide | neurokinin-1 receptor agonist; neurotransmitter; vasodilator agent | |
paroxetine | paroxetine : A benzodioxole that consists of piperidine bearing 1,3-benzodioxol-5-yloxy)methyl and 4-fluorophenyl substituents at positions 3 and 4 respectively; the (3S,4R)-diastereomer. Highly potent and selective 5-HT uptake inhibitor that binds with high affinity to the serotonin transporter (Ki = 0.05 nM). Ki values are 1.1, 350 and 1100 nM for inhibition of [3H]-5-HT, [3H]-l-NA and [3H]-DA uptake respectively. Displays minimal affinity for alpha1-, alpha2- or beta-adrenoceptors, 5-HT2A, 5-HT1A, D2 or H1 receptors at concentrations below 1000 nM, however displays weak affinity for muscarinic ACh receptors (Ki = 42 nM). Antidepressant and anxiolytic in vivo. Paroxetine: A serotonin uptake inhibitor that is effective in the treatment of depression. | aromatic ether; benzodioxoles; organofluorine compound; piperidines | antidepressant; anxiolytic drug; hepatotoxic agent; P450 inhibitor; serotonin uptake inhibitor |
allicin | botanical anti-fungal agent; sulfoxide | antibacterial agent | |
voacamine | alkaloid ester; methyl ester; monoterpenoid indole alkaloid; organic heteropentacyclic compound; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; plant metabolite | |
phenylalanylphenylalanylamide | |||
(6ar-trans)-isomer of tetrahydrocannabivarin 9 | |||
cp-55,940 | |||
cp 96345 | CP 96345: structure given in first source; potent nonpeptide antagonist of the substance P (NK1) receptor; CP 96344 is enantiomer of CP 96345 | ||
sr 48968 | SR 48968: structure given in first source; neurokinin A antagonist; tachykinin receptor antagonist; SR 48965 is the inactive R-enantiomer of SR 48968 | ||
7,7-diphenyl-2-(1-imino-2-(2-methoxyphenyl)ethyl)perhydroisoindol-4-one | 7,7-diphenyl-2-(1-imino-2-(2-methoxyphenyl)ethyl)perhydroisoindol-4-one: structure given in first source; RP 68651 is the inactive (3aS,7aS)-isomer; substance P antagonist | ||
senktide | |||
(2-methoxy-5-tetrazol-1-ylbenzyl)(2-phenylpiperidin-3-yl)amine | (2-methoxy-5-tetrazol-1-ylbenzyl)(2-phenylpiperidin-3-yl)amine: structure given in first source | ||
l 703606 | L 703606: structure given in first source | ||
3,5-bis(trifluoromethyl)benzyl n-acetyltryptophan | 3,5-bis(trifluoromethyl)benzyl N-acetyltryptophan: structure given in first source; substance P and neurokinin receptor antagonist | ||
l 733060 | 3-((3,5-bis(trifluoromethyl)phenyl)methyloxy)-2-phenylpiperidine: RN given refers to (2S-cis)-isomer; L-733,061 is pharmacologically inactive; structure in first source | piperidines | |
1,1'-biphenyl-4-yl-boronic acid | |||
win 64821 | WIN 64821: a dimerized Trp-Phe condensate; structurally similar to verticillins and chaetocins; a nonpeptide neurokinin antagonist; structure given in first source; substance P antagonist | ||
4-hydroxybenzyl isothiocyanate | 4-hydroxybenzyl isothiocyanate: found in white mustard; structure in first source | phenols | |
substance p, pro(9)- | substance P, Pro(9)-: RN given refers to the (L-Pro)-isomer; RN for cpd without isomeric designation not available 3/91 | ||
substance p, sar(9)-met(o2)(11)- | substance P, Sar(9)-Met(O2)(11)-: a neurokinin-1 receptor agonist | ||
ranatachykinin a | ranatachykinin A: a tachykinin in frog (Rana catesbeiana) brain and intestine | ||
bms204352 | BMS204352: a calcium-sensitive opener of maxi-K potassium channels; structure in first source | ||
sr 142806 | |||
Tetrahydropiperine | benzodioxoles | ||
geraniol | 3,7-dimethylocta-2,6-dien-1-ol; monoterpenoid; primary alcohol | allergen; fragrance; plant metabolite; volatile oil component | |
piperine | piperine : A N-acylpiperidine that is piperidine substituted by a (1E,3E)-1-(1,3-benzodioxol-5-yl)-5-oxopenta-1,3-dien-5-yl group at the nitrogen atom. It is an alkaloid isolated from the plant Piper nigrum. | benzodioxoles; N-acylpiperidine; piperidine alkaloid; tertiary carboxamide | food component; human blood serum metabolite; NF-kappaB inhibitor; plant metabolite |
ilepcimide | ilepcimide: structure given in first source; RN given refers to compound with no isomeric designation | benzodioxoles | |
nerol | nerol : The (2Z)-stereoisomer of 3,7-dimethylocta-2,6-dien-1-ol. It has been isolated from the essential oils from plants like lemon grass. | 3,7-dimethylocta-2,6-dien-1-ol | fragrance; plant metabolite; volatile oil component |
cannabidiol | cannabidiol : An cannabinoid that is cyclohexene which is substituted by a methyl group at position 1, a 2,6-dihydroxy-4-pentylphenyl group at position 3, and a prop-1-en-2-yl group at position 4. Cannabidiol: Compound isolated from Cannabis sativa extract. | olefinic compound; phytocannabinoid; resorcinols | antimicrobial agent; plant metabolite |
sb 366791 | N-(3-methoxyphenyl)-4-chlorocinnamanilide: a TRPV1 antagonist; structure in first source | ||
(e)-3-(4-t-butylphenyl)-n-(2,3-dihydrobenzo(b)(1,4)dioxin-6-yl)acrylamide | 3-(4-t-butylphenyl)-N-(2,3-dihydrobenzo(b)(1,4)dioxin-6-yl)acrylamide: a vanilloid receptor 1 antagonist and antihyperalgesic agent; structure in first source | ||
hc 030031 | 2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)-N-(4-isopropylphenyl)acetamide: a TRPA1 channel blocker | ||
zucapsaicin | methoxybenzenes; phenols | ||
capsaicin | ALGRX-4975: an injectable capsaicin (TRPV1 receptor agonist) formulation for longlasting pain relief capsaicinoid : A family of aromatic fatty amides produced as secondary metabolites by chilli peppers. | capsaicinoid | non-narcotic analgesic; TRPV1 agonist; voltage-gated sodium channel blocker |
geranyl acetate | geranyl acetate : A monoterpenoid that is the acetate ester derivative of geraniol. geranyl acetate: constituted about 90% of the palmarosa oil | acetate ester; monoterpenoid | plant metabolite |
capsazepine | capsazepine : A benzazepine that is 2,3,4,5-tetrahydro-1H-2-benzazepine which is substituted by hydroxy groups at positions 7 and 8 and on the nitrogen atom by a 2-(p-chlorophenyl)ethylaminothiocarbonyl group. A synthetic analogue of capsaicin, it was the first reported capsaicin receptor antagonist. capsazepine: modified capsaicin molecule; a capsaicin receptor antagonist | benzazepine; catechols; monochlorobenzenes; thioureas | capsaicin receptor antagonist |
tamoxifen | stilbenoid; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; bone density conservation agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; estrogen antagonist; estrogen receptor antagonist; estrogen receptor modulator | |
N-(5-chloro-2-hydroxyphenyl)-2-ethoxybenzamide | benzamides | ||
phorbol 12-phenylacetate 13-acetate 20-homovanillate | phorbol 12-phenylacetate 13-acetate 20-homovanillate: behavior contrasts with resiniferatoxin and capsaicin in the lack of cooperativity in binding vanilloid (capsaicin) receptor | ||
6-iodonordihydrocapsaicin | 6-iodonordihydrocapsaicin: a TRPV1 antagonist | methoxybenzenes; phenols | |
pinosylvin | pinosylvin: phytoalexin found in pine and eucalyptus | pinosylvin | |
Pinosylvin methyl ether | stilbenoid | ||
pterostilbene | diether; methoxybenzenes; stilbenol | anti-inflammatory agent; antineoplastic agent; antioxidant; apoptosis inducer; hypoglycemic agent; neuroprotective agent; neurotransmitter; plant metabolite; radical scavenger | |
shogaol | shogaol: from ginger, ZINGIBER OFFICINALE; less mutagenic than GINGEROL; structure given in first source | enone; monomethoxybenzene; phenols | |
anandamide | anandamide : An N-acylethanolamine 20:4 resulting from the formal condensation of carboxy group of arachidonic acid with the amino group of ethanolamine. | endocannabinoid; N-acylethanolamine 20:4 | human blood serum metabolite; neurotransmitter; vasodilator agent |
arachidonyl dopamine | arachidonyl dopamine: a ligand for the vanilloid receptor VR1 | catechols; fatty amide; N-(fatty acyl)-dopamine; secondary carboxamide | |
4,4'-dihydroxystilbene | stilbene-4,4'-diol | ||
linoleoyl ethanolamide | linoleoyl ethanolamide : An N-acylethanolamine 18:2 that is the ethanolamide of linoleic acid. linoleoyl ethanolamide: RN given for (Z,Z)-isomer | N-acylethanolamine 18:2 | EC 3.5.1.99 (fatty acid amide hydrolase) inhibitor |
n-oleoylethanolamine | N-oleoylethanolamine: ceramidase inhibitor oleoyl ethanolamide : An N-(long-chain-acyl)ethanolamine that is the ethanolamide of oleic acid. The monounsaturated analogue of the endocannabinoid anandamide. | endocannabinoid; N-(long-chain-acyl)ethanolamine; N-acylethanolamine 18:1 | EC 3.5.1.23 (ceramidase) inhibitor; geroprotector; PPARalpha agonist |
4-hydroxystilbene | 4-hydroxystilbene: RN given refers to cpd without isomeric designation stilben-4-ol : A phenol having the structure of stilbene with a hydroxy function at C-4 of one of the phenyl rings; the stereochemistry across the alkene bond is not specified. | stilben-4-ol | |
cp 99994 | 3-(2-methoxybenzylamino)-2-phenylpiperidine: selective NK(1) receptor antagonist; CP-100263 is the inactive enantiomer | ||
olvanil | methoxybenzenes; phenols | ||
neurokinin a | Neurokinin A: A mammalian neuropeptide of 10 amino acids that belongs to the tachykinin family. It is similar in structure and action to SUBSTANCE P and NEUROKININ B with the ability to excite neurons, dilate blood vessels, and contract smooth muscles, such as those in the BRONCHI. | ||
neurokinin b | Neurokinin B: A mammalian neuropeptide of 10 amino acids that belongs to the tachykinin family. It is similar in structure and action to SUBSTANCE P and NEUROKININ A with the ability to excite neurons, dilate blood vessels, and contract smooth muscles, such as those in the URINARY BLADDER and UTERUS. | polypeptide | |
sb 223412 | SB 223412: SB-223412 is the (S)-(-)-isomer; RN given for (S)-isomer; structure in first source | ||
seglitide | seglitide: more potent than somatostatin for inhibition of insulin, glucagon & growth hormone release; used experimentally in treatment of Alzheimer's disease; somatostatin receptor antagonist | ||
cannabigerol | cannabigerol : A member of the class of resorcinols that is resorcinol which is substituted by a (2E)-3,7-dimethylocta-2,6-dien-1-yl group at position 2 and by a pentyl group at position 5. It is a natural product found in Cannabis sativa and Helichrysum species. cannabigerol: RN given refers to (E)-isomer; structure given in first source | phytocannabinoid; resorcinols | anti-inflammatory agent; antibacterial agent; antioxidant; appetite enhancer; cannabinoid receptor agonist; neuroprotective agent; plant metabolite |
3,5-dimethoxy-trans-stilbene | 3,5-dimethoxystilbene: structure in first source | stilbenoid | |
albaconol | albaconol: from the mushroom Albatrellus; structure in first source | ||
Piperanine | benzodioxoles | ||
piperlonguminine | piperlonguminine: from Piper longum; structure in first source | benzodioxoles | |
3,4',5-trimethoxystilbene | 3,4',5-trimethoxystilbene: structure in first source | ||
catharanthine | alkaloid ester; bridged compound; methyl ester; monoterpenoid indole alkaloid; organic heteropentacyclic compound; tertiary amino compound | ||
biphalin | biphalin: enkephalin dimer; two fragments of Ala(2)-enkephalin are connected by a diamine bridge to form above cpd; structure given in first source | ||
iodoresiniferatoxin | iodoresiniferatoxin: a vanilloid receptor 1 antagonist | ||
arvanil | arvanil: structure in first source | methoxybenzenes; phenols | |
netupitant | netupitant : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 2-[3,5-bis(trifluoromethyl)phenyl]-2-methylpropanoic acid with the secondary amino group of N-methyl-4-(2-methylphenyl)-6-(4-methylpiperazin-1-yl)pyridin-3-amine; an antiemetic used in combination with palonosetron hydrochloride (under the trade name Akynzeo) to treat nausea and vomiting in patients undergoing cancer chemotherapy. netupitant: orally active neurokinin-1 receptor antagonist | aminopyridine; monocarboxylic acid amide; N-alkylpiperazine; N-arylpiperazine; organofluorine compound; toluenes | antiemetic; neurokinin-1 receptor antagonist |
sb 222200 | quinolines | ||
am 404 | anilide | ||
sb 218795 | SB 218795: structure in first source | quinolines | |
substance p (6-11), tyr(6)-d-phe(7)-d-his(9)- | substance P (6-11), Tyr(6)-D-Phe(7)-D-His(9)-: substance P antagonist | ||
vofopitant | |||
1-isoquinolin-5-yl-3-(4-trifluoromethyl-benzyl)-urea | 1-isoquinolin-5-yl-3-(4-trifluoromethyl-benzyl)-urea: structure in first source | ||
pd 154075 | PD 154075: a non-peptide tachykinin NK1 receptor antagonist; structure given in first source | ||
edotecarin | |||
(2s,3s)-2-phenyl-3-((5-trifluoromethoxy-2-methoxy)benzylamino)piperidine | (2S,3S)-2-phenyl-3-((5-trifluoromethoxy-2-methoxy)benzylamino)piperidine: structure given in first source | ||
vestipitant | |||
ly 306740 | LY 306740: LY-307679 is the inactive enantiomer | ||
sdz nkt 343 | SDZ NKT 343: structure in first source | ||
orvepitant | |||
zd 6021 | ZD 6021: structure in first source | ||
tak 637 | TAK 637: structure in first source | ||
sb 705498 | SB 705498: structure in first source | ||
casopitant | piperidines | ||
nkp 608 | |||
n-(4-tert-butylphenyl)-4-(3-chloropyridin-2-yl)tetrahydropyrazine-1(2h)-carboxamide | N-(4-tert-butylphenyl)-4-(3-chloropyridin-2-yl)tetrahydropyrazine-1(2H)-carboxamide: a vanilloid receptor 1 antagonist and analgesic; structure in first source | piperazines; pyridines | |
dnk 333 | DNK 333: a dual neurokinin NK1/NK2 receptor antagonist; structure in first source | ||
4-n-butyl-1-(4-(2-methylphenyl)-4-oxo-1-butyl)-piperidine hydrogen chloride | |||
arachidonoylserotonin | arachidonoylserotonin: an NSAID with antinociceptive activity; fatty acid amide hydrolase inhibitor; structure in first source N-arachidonoylserotonin : An N-acylserotonin obtained by formal condensation of the carboxy group of arachidonic acid with the primary amino group of serotonin. | N-acylserotonin; phenols | anti-inflammatory agent; anticonvulsant; antioxidant; capsaicin receptor antagonist; EC 3.5.1.99 (fatty acid amide hydrolase) inhibitor; human metabolite; signalling molecule |
jyl 1421 | JYL 1421: a vanilloid receptor antagonist; structure in first source | ||
rolapitant | azaspiro compound; ether; organofluorine compound; piperidines; pyrrolidin-2-ones | antiemetic; neurokinin-1 receptor antagonist | |
spiroquinazoline | spiroquinazoline: isolated from the fungus Aspergillus flavipes; structure given in first source; substance P antagonist | ||
abt 102 | ABT 102: a TRPV1 antagonist; structure in first source | ||
jnj 17203212 | |||
a 784168 | 1-(3-(trifluoromethyl)pyridin-2-yl)-N-(4-(trifluoromethylsulfonyl)phenyl)-1,2,3,6-tetrahydropyridine-4-carboxamide: a TRPV1 antagonist | ||
ditryptophenaline | ditryptophenaline: structure in first source | ||
ly2183240 | LY2183240: structure in first source | biphenyls | |
methylphenidate | N-phenyl-4-(quinolin-2-ylmethyl)piperazine-1-carboxamide: a fatty acid amide hydrolase inhibitor; structure in first source | ||
cannabidivarin | cannabidivarin: from Cannabis sativa | monoterpenoid | |
amg 517 | |||
a 803467 | A 803467: an Nav1.8 sodium channel blocker; structure in first source | ||
mavatrep | mavatrep: a transient receptor potential vanilloid 1 antagonist; structure in first source | ||
serlopitant | |||
am 6701 | |||
nitd 609 | NITD 609: an antimalarial and coccidiostat; structure in first source | ||
voacristine | voacristine: indole alkaloid from leaves of Ervatamia coronaria; RN given for 20(S)-isomer; structure given in first source | ||
abt 116 | ABT 116: a TRPV1 antagonist with analgesic activity; structure in first source | ||
aprepitant | aprepitant : A morpholine-based antiemetic, which is or the prevention of acute and delayed nausea and vomiting associated with initial and repeat courses of highly emetogenic cancer chemotherapy. Aprepitant is a selective high-affinity antagonist of human substance P/neurokinin 1 (NK1) receptors. Aprepitant: A morpholine neurokinin-1 (NK1) receptor antagonist that is used in the management of nausea and vomiting caused by DRUG THERAPY, and for the prevention of POSTOPERATIVE NAUSEA AND VOMITING. | (trifluoromethyl)benzenes; cyclic acetal; morpholines; triazoles | antidepressant; antiemetic; neurokinin-1 receptor antagonist; peripheral nervous system drug; substance P receptor antagonist |
l 742694 | L 742694: a neurokinin-1 receptor antagonist; structure given in first source |