| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.08 | 1 | 0 | azane;
gas molecular entity;
mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor;
metabolite;
mouse metabolite;
neurotoxin;
NMR chemical shift reference compound;
nucleophilic reagent;
refrigerant |
carbamates
[no description available] | 1.97 | 1 | 0 | amino-acid anion | |
aurintricarboxylic acid
Aurintricarboxylic Acid: A dye which inhibits protein biosynthesis at the initial stages. The ammonium salt (aluminon) is a reagent for the colorimetric estimation of aluminum in water, foods, and tissues.. aurintricarboxylic acid : A member of the class of quinomethanes that is 3-methylidene-6-oxocyclohexa-1,4-diene-1-carboxylic acid in which the methylidene hydrogens are replaced by 4-carboxy-3-hydroxyphenyl groups. The trisodium salt is the biological stain 'chrome violet CG' while the triammonium salt is 'aluminon'. | 2.1 | 1 | 0 | monohydroxybenzoic acid;
quinomethanes;
tricarboxylic acid | fluorochrome;
histological dye;
insulin-like growth factor receptor 1 antagonist |
biperiden
Biperiden: A muscarinic antagonist that has effects in both the central and peripheral nervous systems. It has been used in the treatment of arteriosclerotic, idiopathic, and postencephalitic parkinsonism. It has also been used to alleviate extrapyramidal symptoms induced by phenothiazine derivatives and reserpine.. biperiden : A member of the class of piperidines that is N-propylpiperidine in which the methyl hydrogens have been replaced by hydroxy, phenyl, and 5-norbornen-2-yl groups. A muscarinic antagonist affecting both the central and peripheral nervous systems, it is used in the treatment of all forms of Parkinson's disease. | 2 | 1 | 0 | piperidines;
tertiary alcohol;
tertiary amino compound | antidote to sarin poisoning;
antidyskinesia agent;
antiparkinson drug;
muscarinic antagonist;
parasympatholytic |
chlorpyrifos
Chlorpyrifos: An organothiophosphate cholinesterase inhibitor that is used as an insecticide and as an acaricide.. chlorpyrifos : An organic thiophosphate that is O,O-diethyl hydrogen phosphorothioate in which the hydrogen of the hydroxy group has been replaced by a 3,5,6-trichloropyridin-2-yl group. | 2.74 | 3 | 0 | chloropyridine;
organic thiophosphate | acaricide;
agrochemical;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
environmental contaminant;
insecticide;
xenobiotic |
malathion
Malathion: A wide spectrum aliphatic organophosphate insecticide widely used for both domestic and commercial agricultural purposes.. malathion : A racemate comprising equimolar amounts of (R) and (S)-malathion. It is a broad spectrum organophosphate proinsecticide used to control a wide range of pests including Coleoptera, Diptera, fruit flies, mosquitos and spider mites.. diethyl 2-[(dimethoxyphosphorothioyl)thio]succinate : A diester that is diethyl succinate in which position 2 is substituted by a (dimethoxyphosphorothioyl)thio group. | 2.08 | 1 | 0 | diester;
ethyl ester;
organic thiophosphate | |
neostigmine
Neostigmine: A cholinesterase inhibitor used in the treatment of myasthenia gravis and to reverse the effects of muscle relaxants such as gallamine and tubocurarine. Neostigmine, unlike PHYSOSTIGMINE, does not cross the blood-brain barrier.. neostigmine : A quaternary ammonium ion comprising an anilinium ion core having three methyl substituents on the aniline nitrogen, and a 3-[(dimethylcarbamoyl)oxy] substituent at position 3. It is a parasympathomimetic which acts as a reversible acetylcholinesterase inhibitor. | 1.97 | 1 | 0 | quaternary ammonium ion | antidote to curare poisoning;
EC 3.1.1.7 (acetylcholinesterase) inhibitor |
piracetam
Piracetam: A compound suggested to be both a nootropic and a neuroprotective agent. | 2.11 | 1 | 0 | organonitrogen compound;
organooxygen compound | |
procyclidine
Procyclidine: A muscarinic antagonist that crosses the blood-brain barrier and is used in the treatment of drug-induced extrapyramidal disorders and in parkinsonism.. procyclidine : A tertiary alcohol that consists of propan-1-ol substituted by a cyclohexyl and a phenyl group at position 1 and a pyrrolidin-1-yl group at position 3. | 2.11 | 1 | 0 | pyrrolidines;
tertiary alcohol | antidyskinesia agent;
antiparkinson drug;
muscarinic antagonist |
corticosterone
[no description available] | 1.98 | 1 | 0 | 11beta-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid;
glucocorticoid;
primary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
isoflurophate
Isoflurophate: A di-isopropyl-fluorophosphate which is an irreversible cholinesterase inhibitor used to investigate the NERVOUS SYSTEM. | 2.59 | 2 | 0 | dialkyl phosphate | |
physostigmine
Physostigmine: A cholinesterase inhibitor that is rapidly absorbed through membranes. It can be applied topically to the conjunctiva. It also can cross the blood-brain barrier and is used when central nervous system effects are desired, as in the treatment of severe anticholinergic toxicity. | 1.97 | 1 | 0 | carbamate ester;
indole alkaloid | antidote to curare poisoning;
EC 3.1.1.8 (cholinesterase) inhibitor;
miotic |
edetic acid
Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 2.1 | 1 | 0 | ethylenediamine derivative;
polyamino carboxylic acid;
tetracarboxylic acid | anticoagulant;
antidote;
chelator;
copper chelator;
geroprotector |
tyrosine
Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 2.1 | 1 | 0 | amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical |
tabun
tabun: proposed as military nerve gas and exptl cholinesterase inhibitor; extremely poisonous; structure | 6.64 | 38 | 0 | | |
tromethamine
Tromethamine: An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, as a biological buffer, and used as an alkalizer. (From Merck, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p1424) | 2.47 | 2 | 0 | primary amino compound;
triol | buffer |
triethyl phosphate
triethyl phosphate: structure. triethyl phosphate : A trialkyl phosphate that is the triethy ester derivative of phosphoric acid. | 2.03 | 1 | 0 | trialkyl phosphate | |
soman
Soman: An organophosphorus compound that inhibits cholinesterase. It causes seizures and has been used as a chemical warfare agent. | 6.74 | 42 | 0 | phosphonic ester | |
quinuclidines
Quinuclidines: A class of organic compounds which contain two rings that share a pair of bridgehead carbon atoms and contains an amine group. | 2.25 | 1 | 0 | quinuclidines;
saturated organic heterobicyclic parent | |
pyridostigmine bromide
Pyridostigmine Bromide: A cholinesterase inhibitor with a slightly longer duration of action than NEOSTIGMINE. It is used in the treatment of myasthenia gravis and to reverse the actions of muscle relaxants. | 2.68 | 3 | 0 | pyridinium salt | |
sarin
Sarin: An organophosphorus ester compound that produces potent and irreversible inhibition of cholinesterase. It is toxic to the nervous system and is a chemical warfare agent.. isopropyl methylphosphonofluoridate : A phosphinic ester that is the isopropyl ester of methylphosphonofluoridic acid.. sarin : A racemate composed of equal amounts of (R)- and (S)-sarin. A potent and irreversible inhibitor of acetylcholinesterase that is toxic to the nervous system and is employed as a chemical warfare agent. | 8.18 | 71 | 0 | fluorine molecular entity;
phosphinic ester | |
obidoxime chloride
Obidoxime Chloride: Cholinesterase reactivator occurring in two interchangeable isomeric forms, syn and anti. | 4.04 | 14 | 0 | | |
benactyzine
Benactyzine: A centrally acting muscarinic antagonist. Benactyzine has been used in the treatment of depression and is used in research to investigate the role of cholinergic systems on behavior. | 2.41 | 2 | 0 | diarylmethane | |
paraoxon
[no description available] | 3.36 | 6 | 0 | aryl dialkyl phosphate;
organophosphate insecticide | EC 3.1.1.7 (acetylcholinesterase) inhibitor;
mouse metabolite |
mustard gas
Mustard Gas: Severe irritant and vesicant of skin, eyes, and lungs. It may cause blindness and lethal lung edema and was formerly used as a war gas. The substance has been proposed as a cytostatic and for treatment of psoriasis. It has been listed as a known carcinogen in the Fourth Annual Report on Carcinogens (NTP-85-002, 1985) (Merck, 11th ed).. bis(2-chloroethyl) sulfide : An ethyl sulfide that is diethyl sulfide in which a hydrogen from each of the terminal methyl groups is replaced by a chlorine. It is a powerful vesicant regulated under the Chemical Weapons Convention. | 2.59 | 2 | 0 | ethyl sulfide;
organochlorine compound | alkylating agent;
carcinogenic agent;
vesicant |
pinacolyl methylphosphonic acid
pinacolyl methylphosphonic acid: structure in first source | 2.21 | 1 | 0 | | |
malaoxon
malaoxon: minor descriptor (72-83); on-line & Index Medicus search MALATHION/AA (72-83). malaoxon : A racemate comprising equimolar amounts of (R) and (S)-malaoxon. It is the active insecticide of the proinsecticide malathion.. diethyl 2-[(dimethoxyphosphoryl)thio]succinate : A diester that is diethyl succinate in which position 2 is substituted by a (dimethoxyphosphoryl)thio group. | 2.08 | 1 | 0 | diester;
ethyl ester;
organic thiophosphate | |
isopropyl methylphosphonic acid
[no description available] | 2.21 | 1 | 0 | | |
butyrylthiocholine
Butyrylthiocholine: A sulfur-containing analog of butyrylcholine which is hydrolyzed by butyrylcholinesterase to butyrate and thiocholine. It is used as a reagent in the determination of butyrylcholinesterase activity.. butyrylthiocholine : A quaternary ammonium ion obtained by the formal condensation of the carboxy group of butyric acid with the thiol group of thiocholine. It is used as a reagent for determination of butyrylcholinesterase activity. | 2.51 | 2 | 0 | quaternary ammonium ion | |
o,o-diethyl o-3,5,6-trichloro-2-pyridyl phosphate
[no description available] | 2.08 | 1 | 0 | | |
ammonium fluoride
ammonium fluoride : A fluoride salt having ammonium (NH4+) as the counterion. | 2.1 | 1 | 0 | ammonium salt;
fluoride salt | |
fluorides
[no description available] | 2.8 | 3 | 0 | halide anion;
monoatomic fluorine | |
alkenes
[no description available] | 2.07 | 1 | 0 | | |
thiocholine
Thiocholine: A mercaptocholine used as a reagent for the determination of CHOLINESTERASES. It also serves as a highly selective nerve stain. | 2.05 | 1 | 0 | | |
vx
VX nerve agent : A organic thiophosphate that is the ethyl ester of S-{2-[di(propan-2-yl)amino]ethyl} O hydrogen methylphosphonothioate. A toxic nerve agent used in chemical warfare. | 4.51 | 22 | 0 | organic thiophosphate;
tertiary amino compound | EC 3.1.1.7 (acetylcholinesterase) inhibitor;
neurotoxin |
2-butene
2-butene: RN given refers to cpd without isomeric designation | 2.07 | 1 | 0 | but-2-ene | |
fluorophosphate
fluorophosphate: inhibits Phosphorylas phosphatase irreversibly; RN given refers to parent cpd | 2.15 | 1 | 0 | fluorine molecular entity;
phosphoric acid derivative | |
tes
2-((1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)ethanesulfonic acid: structure in first source. N-tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid : A Good's buffer substance, pKa = 7.5 at 20 degreeC. | 2.05 | 1 | 0 | amino sulfonic acid;
ethanolamines;
TES | |
butyryl-coenzyme a
[no description available] | 2.17 | 1 | 0 | butanoyl-CoAs | Escherichia coli metabolite;
mouse metabolite |
cyclohexyl methylphosphonic acid
[no description available] | 3.03 | 4 | 0 | | |
atropine
tropan-3alpha-yl 3-hydroxy-2-phenylpropanoate : A tropane alkaloid that is (1R,5)-8-methyl-8-azabicyclo[3.2.1]octane substituted by a (3-hydroxy-2-phenylpropanoyl)oxy group at position 3. | 4.26 | 18 | 0 | | |
organophosphonates
hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 2.08 | 1 | 0 | divalent inorganic anion;
phosphite ion | |
methylphosphonothiolate
[no description available] | 2.05 | 1 | 0 | organothiophosphorus compound | |
betadex
beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 3.47 | 7 | 0 | cyclodextrin | |
pyrophosphate
Diphosphates: Inorganic salts of phosphoric acid that contain two phosphate groups. | 2.06 | 1 | 0 | diphosphate ion | |
levetiracetam
Levetiracetam: A pyrrolidinone and acetamide derivative that is used primarily for the treatment of SEIZURES and some movement disorders, and as a nootropic agent.. levetiracetam : A pyrrolidinone and carboxamide that is N-methylpyrrolidin-2-one in which one of the methyl hydrogens is replaced by an aminocarbonyl group, while another is replaced by an ethyl group (the S enantiomer). An anticonvulsant, it is used for the treatment of epilepsy in both human and veterinary medicine. | 2.11 | 1 | 0 | pyrrolidin-2-ones | anticonvulsant;
environmental contaminant;
xenobiotic |
acetaldehyde oxime
acetaldehyde oxime: structure. (E)-acetaldehyde oxime : The (E)-stereoisomer of acetaldehyde oxime.. acetaldehyde oxime : An aldoxime derived from acetaldehyde. | 2.25 | 1 | 0 | acetaldehyde oxime | |
arsenic
Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 2.13 | 1 | 0 | metalloid atom;
pnictogen | micronutrient |
lewisite
lewisite: RN given refers to cpd without isomeric designation | 2.13 | 1 | 0 | | |
phosphorus
Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 2.6 | 1 | 0 | monoatomic phosphorus;
nonmetal atom;
pnictogen | macronutrient |
1-methyl-1,6-dihydropyridine-2-carbaldoxime
1-methyl-1,6-dihydropyridine-2-carbaldoxime: structure | 2.06 | 1 | 0 | dihydropyridine | |
pralidoxime
pralidoxime: RN given refers to parent cpd; chloride was minor descriptor (75-80); on-line & Index Medicus search PRALIDOXIME COMPOUNDS (66-80). pralidoxime : A pyridinium ion that is 1-methylpyridinium substituted by a (hydroxyimino)methyl group at position 2. | 3.8 | 11 | 0 | pyridinium ion | antidote to organophosphate poisoning;
antidote to sarin poisoning;
cholinergic drug;
cholinesterase reactivator |
hlo 7
HLo 7: structure given in first source | 2.11 | 1 | 0 | organic molecular entity | |
asoxime chloride
[no description available] | 5.69 | 25 | 0 | | |
pyridine-4-aldoxime
pyridine-4-aldoxime: RN given for cpd without isomeric designation | 2.05 | 1 | 0 | | |
n,n'-monomethylenebis(pyridiniumaldoxime)
N,N'-monomethylenebis(pyridiniumaldoxime): RN given refers to parent cpd | 3.55 | 2 | 0 | | |
hs 6
HS 6: structure | 2.74 | 3 | 0 | | |
trimedoxime bromide
Trimedoxime: Cholinesterase reactivator used as an antidote in alkyl phosphate poisoning. | 2.74 | 3 | 0 | | |