Substance | Relationship Strength | Studies | Trials | Classes | Roles |
dinitrochlorobenzene Dinitrochlorobenzene: A skin irritant that may cause dermatitis of both primary and allergic types. Contact sensitization with DNCB has been used as a measure of cellular immunity. DNCB is also used as a reagent for the detection and determination of pyridine compounds.. 1-chloro-2,4-dinitrobenzene : A C-nitro compound that is chlorobenzene carrying a nitro substituent at each of the 2- and 4-positions. | 3.07 | 1 | 0 | C-nitro compound; monochlorobenzenes | allergen; epitope; sensitiser |
4-nitrobenzaldehyde 4-nitrobenzaldehyde: RN given refers to parent cpd. 4-nitrobenzaldehyde : A C-nitro compound that is benzaldehyde substituted at the para-position with a nitro group. | 3.07 | 1 | 0 | benzaldehydes; C-nitro compound | |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.5 | 2 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
nitrites Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2.1 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
7-nitroindazole 7-nitroindazole: an inhibitor of nitric oxide synthase; exhibits anti-nociceptive activity without increasing blood pressure | 3.07 | 1 | 0 | | |
benzo(a)pyrene Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 1.98 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
metronidazole Metronidazole: A nitroimidazole used to treat AMEBIASIS; VAGINITIS; TRICHOMONAS INFECTIONS; GIARDIASIS; ANAEROBIC BACTERIA; and TREPONEMAL INFECTIONS.. metronidazole : A member of the class of imidazoles substituted at C-1, -2 and -5 with 2-hydroxyethyl, nitro and methyl groups respectively. It has activity against anaerobic bacteria and protozoa, and has a radiosensitising effect on hypoxic tumour cells. It may be given by mouth in tablets, or as the benzoate in an oral suspension. The hydrochloride salt can be used in intravenous infusions. Metronidazole is a prodrug and is selective for anaerobic bacteria due to their ability to intracellularly reduce the nitro group of metronidazole to give nitroso-containing intermediates. These can covalently bind to DNA, disrupting its helical structure, inducing DNA strand breaks and inhibiting bacterial nucleic acid synthesis, ultimately resulting in bacterial cell death. | 3.07 | 1 | 0 | C-nitro compound; imidazoles; primary alcohol | antiamoebic agent; antibacterial drug; antimicrobial agent; antiparasitic agent; antitrichomonal drug; environmental contaminant; prodrug; radiosensitizing agent; xenobiotic |
benz(a)anthracene benz(a)anthracene: 4 fused rings of which one is angular in contrast to the linear NAPHTHACENES. tetraphene : An angular ortho-fused polycyclic arene consisting of four fused benzene rings. | 1.98 | 1 | 0 | ortho-fused polycyclic arene; tetraphenes | |
niridazole Niridazole: An antischistosomal agent that has become obsolete. | 3.07 | 1 | 0 | 1,3-thiazoles; C-nitro compound | |
dinitrofluorobenzene Dinitrofluorobenzene: Irritants and reagents for labeling terminal amino acid groups.. 1-fluoro-2,4-dinitrobenzene : The organofluorine compound that is benzene with a fluoro substituent at the 1-position and two nitro substituents in the 2- and 4-positions. | 3.07 | 1 | 0 | C-nitro compound; organofluorine compound | agrochemical; allergen; chromatographic reagent; EC 2.7.3.2 (creatine kinase) inhibitor; protein-sequencing agent; spectrophotometric reagent |
1-nitronaphthalene 1-nitronaphthalene: RN given refers to cpd with locant for nitro moiety in 1 position. 1-nitronaphthalene : A mononitronaphthalene substituted by a nitro group at position 1.. mononitronaphthalene : A nitronaphthalene carrying a single nitro group at unspecified position.. nitronaphthalene : A nitroarene that is naphthalene substituted by at least one nitro group. | 3.07 | 1 | 0 | mononitronaphthalene | environmental contaminant; mouse metabolite |
1-chloro-2-nitrobenzene [no description available] | 3.07 | 1 | 0 | C-nitro compound; monochlorobenzenes | |
2,5-dichloronitrobenzene [no description available] | 3.07 | 1 | 0 | | |
2-nitroanisole 2-nitroanisole : A member of the class of 2-nitroanisoles that is anisole in which one of the hydrogens ortho to the methoxy group is replaced by a nitro group. | 3.07 | 1 | 0 | 2-nitroanisoles | carcinogenic agent |
4-nitrobiphenyl 4-nitrobiphenyl: structure given in first source | 3.07 | 1 | 0 | biphenyls | |
2,4-dinitroaniline 2,4-dinitroaniline : A nitroaniline consisting of an aniline core having two nitro substituents located at the 2- and 4-positions. | 3.07 | 1 | 0 | nitroaniline | |
nitrobenzene nitrobenzene : A nitroarene consisting of benzene carrying a single nitro substituent. An industrial chemical used widely in the production of aniline. | 3.07 | 1 | 0 | nitroarene; nitrobenzenes | |
1,2-dichloro-4-nitrobenzene [no description available] | 3.07 | 1 | 0 | | |
3-dinitrobenzene dinitrobenzene : Any member of the class of nitrobenzenes that consists of a benzene ring substituted by two nitro groups. A closed class.. 1,3-dinitrobenzene : A dinitrobenzene that is benzene disubstituted at positions 1 and 3 with nitro groups. | 3.07 | 1 | 0 | dinitrobenzene | neurotoxin |
4-chloronitrobenzene [no description available] | 3.07 | 1 | 0 | C-nitro compound | |
4-nitroanisole 4-nitroanisole: dye intermediate; organic synthesis; structure. 4-nitroanisole : A member of the class of 4-nitroanisoles that is anisole in which one the hydrogen meta to the methoxy group is replaced by a nitro group. | 3.07 | 1 | 0 | 4-nitroanisoles | |
4-nitroacetophenone 4-nitroacetophenone : A member of the class of acetophenones that is acetophenone substituted at the para-position by a nitro group. | 3.07 | 1 | 0 | acetophenones; C-nitro compound | |
1,4-dinitrobenzene 1,4-dinitrobenzene : A dinitrobenzene carrying nitro groups at positions 1 and 4. | 3.07 | 1 | 0 | dinitrobenzene | |
2,4-dinitroanisole 2,4-dinitroanisole : A member of the class of dinitroanisoles that is 2-nitroanisole in which the hydrogen para to the methoxy group is replaced by a second nitro group. | 3.07 | 1 | 0 | dinitroanisoles | explosive |
2,4,7-trinitrofluorenone 2,4,7-trinitrofluorenone: structure | 3.07 | 1 | 0 | | |
fluoranthene fluoranthene: structure. fluoranthene : An ortho- and peri-fused polycyclic arene consisting of a naphthalene and benzene unit connected by a five-membered ring. | 2.54 | 2 | 0 | ortho- and peri-fused polycyclic arene | |
chrysene chrysene: structure in Merck Index, 9th ed, #2252. chrysene : An ortho-fused polycyclic arene found commonly in the coal tar. | 1.98 | 1 | 0 | ortho-fused polycyclic arene | plant metabolite |
1,2-dinitrobenzene [no description available] | 3.07 | 1 | 0 | dinitrobenzene | |
2-nitrobenzaldehyde 2-nitrobenzaldehyde: structure given in first source. 2-nitrobenzaldehyde : Benzaldehyde substituted at the ortho-position with a nitro group. | 3.07 | 1 | 0 | benzaldehydes; C-nitro compound | |
2-nitronaphthalene 2-nitronaphthalene : A mononitronaphthalene carrying a nitro group at position 2. | 3.07 | 1 | 0 | mononitronaphthalene | |
9-nitroanthracene 9-nitroanthracene: RN given refers to cpd with locant for nitro moiety in 5 position | 3.07 | 1 | 0 | anthracenes | |
5-nitroacenaphthene [no description available] | 3.07 | 1 | 0 | nitronaphthalene | |
erythropoietin 1,5-dinitronaphthalene: structure in first source. 1,5-dinitronaphthalene : A dinitronaphthalene carrying nitro groups at positions 1 and 5. | 3.07 | 1 | 0 | dinitronaphthalene | genotoxin |
1,3-dinitronaphthalene 1,3-dinitronaphthalene: structure given in first source | 3.07 | 1 | 0 | dinitronaphthalene | |
5-nitroquinoline [no description available] | 3.07 | 1 | 0 | | |
2-nitrofluorene 2-nitrofluorene: RN given refers to cpd with locant with nitro moiety in 2 position. 2-nitrofluorene : A nitroarene that is fluorene substituted by a nitro group at position 2. | 3.53 | 2 | 0 | nitroarene | carcinogenic agent; mutagen |
2,4-dichloro-1-nitrobenzene [no description available] | 3.07 | 1 | 0 | | |
5-nitro-2-furaldehyde [no description available] | 3.07 | 1 | 0 | C-nitro compound; furans | |
3-nitrofluoranthene 3-nitrofluoranthene: environmental carcinogen from diesel exhaust | 3.48 | 2 | 0 | nitronaphthalene | |
2-amino-7-nitrofluorene 2-amino-7-nitrofluorene: structure in first source | 3.07 | 1 | 0 | | |
2-bromo-4,6-dinitroaniline 2-bromo-4,6-dinitroaniline: used in synthesis of commercially significant monoazo dyes | 3.07 | 1 | 0 | | |
5-nitroindazole [no description available] | 3.07 | 1 | 0 | | |
2,7-dinitrofluorene [no description available] | 3.07 | 1 | 0 | | |
1-nitropyrene [no description available] | 4.9 | 11 | 0 | nitroarene | carcinogenic agent |
nsc 520594 [no description available] | 3.07 | 1 | 0 | | |
2-hydroxy-7-nitrofluorene 2-hydroxy-7-nitrofluorene: structure in first source | 3.07 | 1 | 0 | | |
6-nitrochrysene 6-nitrochrysene: RN given refers to cpd with locant for nitro group in position 6 | 3.48 | 2 | 0 | carbopolycyclic compound | |
6-nitroindazole [no description available] | 3.07 | 1 | 0 | | |
ozone Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs. | 2.1 | 1 | 0 | elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen | antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer |
2-nitrofluoranthene [no description available] | 4.75 | 9 | 0 | | |
7-nitrobenzanthracene [no description available] | 3.48 | 2 | 0 | phenanthrenes | |
3,9-dinitrofluoranthene [no description available] | 3.07 | 1 | 0 | nitronaphthalene | |
pyrene pyrene: structure in Merck Index, 9th ed, #7746. pyrene : An ortho- and peri-fused polycyclic arene consisting of four fused benzene rings, resulting in a flat aromatic system. | 2.98 | 4 | 0 | ortho- and peri-fused polycyclic arene | fluorescent probe; persistent organic pollutant |
2,7-dinitrofluorenone 2,7-dinitrofluorenone: structure given in first source | 3.07 | 1 | 0 | | |
1,6-dinitropyrene [no description available] | 3.07 | 1 | 0 | pyrenes | |
1,8-dinitropyrene [no description available] | 3.07 | 1 | 0 | pyrenes | |
6-nitrobenzo(a)pyrene [no description available] | 3.48 | 2 | 0 | ortho- and peri-fused polycyclic arene | |
1-nitrobenzo(a)pyrene [no description available] | 3.07 | 1 | 0 | | |
3-nitrobenzo(a)pyrene [no description available] | 3.07 | 1 | 0 | | |
1,3-dinitropyrene [no description available] | 3.07 | 1 | 0 | pyrenes | |
3,7-dinitrofluoranthene [no description available] | 3.07 | 1 | 0 | nitronaphthalene | |
4-nitropyrene [no description available] | 4.34 | 6 | 0 | pyrenes | |
3-nitroperylene 3-nitroperylene: RN given refers to cpd with nitro group in position 3 | 3.07 | 1 | 0 | phenanthrenes | |
nitrogen pentoxide nitrogen pentoxide: structure | 2.5 | 2 | 0 | nitrogen oxide | |
1-nitro-2,4-difluorobenzene 1-nitro-2,4-difluorobenzene: standard antigen; structure | 3.07 | 1 | 0 | | |
5-nitroisoquinoline [no description available] | 3.07 | 1 | 0 | | |
9-nitrophenanthrene 9-nitrophenanthrene: RN given refers to parent cpd; | 3.07 | 1 | 0 | | |
5-nitro-1,10-phenanthroline 5-nitro-1,10-phenanthroline: structure in first source | 3.07 | 1 | 0 | | |
1-fluoro-2-nitrobenzene 1-fluoro-2-nitrobenzene: structure given in first source | 3.07 | 1 | 0 | | |
2-nitrobenzimidazole 2-nitrobenzimidazole: RN given refers to parent cpd | 3.07 | 1 | 0 | | |
n-hydroxy-2-aminopyrene [no description available] | 1.97 | 1 | 0 | | |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.1 | 1 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
2,4-dinitrophenylhydrazine 2,4-dinitrophenylhydrazine: structure. 2,4-dinitrophenylhydrazine : A C-nitro compound that is phenylhydrazine substituted at the 2- and 4-positions by nitro groups. | 3.07 | 1 | 0 | C-nitro compound; phenylhydrazines | reagent |
2-nitro-4-phenylenediamine 2-nitro-4-phenylenediamine: 2-nitro-1,4-benzenediamine; RN given refers to parent cpd. 2-nitro-p-phenylenediamine : A primary amino compound that is p-phenylenediamine in which one of the hydrogens attached to the benzene ring is replaced by a nitro group. It is a cosmetic hair dye intermediate that is used in permanent hair colouring products (diluted 1:1 with an oxidising agent prior to application). | 3.07 | 1 | 0 | C-nitro compound; primary amino compound | |
5-Nitroisatin [no description available] | 3.07 | 1 | 0 | indoles | anticoronaviral agent |
2-amino-5-nitrophenol 2-amino-5-nitrophenol: RN & structure given in first source | 3.07 | 1 | 0 | 3-nitrophenols | |
1,2-diamino-4-nitrobenzene 1,2-diamino-4-nitrobenzene: reagent for determination of selenium in milk with gas chromatograph. 4-nitro-1,2-phenylenediamine : The primary amino compound that is 1,2-phenylenediamine (o-phenylenediamine) substituted at the 4- (para-) position by a nitro group. | 3.07 | 1 | 0 | C-nitro compound; primary amino compound | |
furazolidone [no description available] | 3.07 | 1 | 0 | | |
nitrofurazone Nitrofurazone: A topical anti-infective agent effective against gram-negative and gram-positive bacteria. It is used for superficial WOUNDS AND INJURIES and skin infections. Nitrofurazone has also been administered orally in the treatment of TRYPANOSOMIASIS.. nitrofurazone : A semicarbazone resulting from the formal condensation of semicarbazide with 5-nitrofuraldehyde. A broad spectrum antibacterial drug, although with little activity against Pseudomonas species, it is used as a local application for burns, ulcers, wounds and skin infections. | 3.07 | 1 | 0 | | |
nitrofurantoin Nitrofurantoin: A urinary anti-infective agent effective against most gram-positive and gram-negative organisms. Although sulfonamides and antibiotics are usually the agents of choice for urinary tract infections, nitrofurantoin is widely used for prophylaxis and long-term suppression.. nitrofurantoin : An imidazolidine-2,4-dione that is hydantoin substituted at position 1 by a [(5-nitro-2-furyl)methylene]amino group. An antibiotic that damages bacterial DNA. | 3.07 | 1 | 0 | imidazolidine-2,4-dione; nitrofuran antibiotic; organonitrogen heterocyclic antibiotic; organooxygen heterocyclic antibiotic | antibacterial drug; antiinfective agent; hepatotoxic agent |
deoxyguanosine [no description available] | 6.97 | 1 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanosine ribonucleoside : Any nucleoside where the sugar component is D-ribose. | 1.99 | 1 | 0 | guanosines; purines D-ribonucleoside | fundamental metabolite |
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 1.99 | 1 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
n-(deoxyguanosin-8-yl)-2-aminopyrene N-(deoxyguanosin-8-yl)-2-aminopyrene: structure given in first source | 1.97 | 1 | 0 | | |