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Select 'All' to list all the chemical categories. Each character links to a view of all chemical categories whose name begin by it. The asterisk (*) links to a view of all categories whose name start with a special character (e.g. '('). You can search the table for a specific string within that specific view.
NameChemOnt IDDescription
4-alkoxyphenolsCHEMONTID:0004628Phenols that carry an alkoxy group at the 4-position of the benzene ring.
4-aminoquinolinesCHEMONTID:0004537Organic compounds containing an amino group attached to the 4-position of a quinoline ring system.
4-aminosalicyclic acids and derivativesCHEMONTID:0003038Aminosalicylic acids or derivatives carrying an amino group at the C-4 atom of the benzene ring.
4-aminosalicylic acidsCHEMONTID:0003011Aminosalicylic acids carrying an amino group at the C-4 atom of the benzene ring.
4-AnilinoquinazolinesCHEMONTID:0004391Organic heterocyclic compounds containing a quinazoline that is N-linked to an aniline.
4-AnilinoquinolinesCHEMONTID:0004368Compounds containing a quinoline ring system that is N-linked to an aniline group at the 4-position.
4-aroylquinolinesCHEMONTID:0003912Compounds containing a quinoline which carries an aroyl group at the 4-position. An aroyl group is a univalent radical R-CO- derived from an aromatic carboxylic acid.
4-arylsulfanyl-substituted kainoidsCHEMONTID:0004082Kainoids carrying an aryl sulfanyl group at the 4-position of the pyrrolidine ring.
4-azaandrostanesCHEMONTID:0004824Azasteroids that are characterized by an androstane skeleton, where the carbon atom at the 4-position has been replaced by a nitrogen atom.
4-azasteroids and derivativesCHEMONTID:0003056Azasteroids where the carbon atom at position 4 is replaced by a nitrogen atom.
4-benzylpiperidinesCHEMONTID:0003090Organic compounds containing a benzyl group attached to the 4-position of a piperidine.
4-carboxy steroidsCHEMONTID:0003492Steroid compounds that carry a carboxyl group at the C4-atom of the steroid backbone.
4-chlorocatecholsCHEMONTID:0002697Chlorocatechols with the chlorine atom attached at position C4 of the benzene ring.
4-cyclopropylisoxazolesCHEMONTID:0004726Aromatic heterocyclic compounds containing an isoxazole ring substituted at the ring 4-position with a cyclopropyl group.
4-halobenzoic acidsCHEMONTID:0003103Benzoic acids carrying a halogen atom at the 4-position of the benzene ring.
4-halobenzoic acids and derivativesCHEMONTID:0003100Benzoic acids or derivatives carrying a halogen atom at the 4-position of the benzene ring.
4-halophenylacetic acidsCHEMONTID:0004697Aromatic compounds containing a phenylacetic acid, which is para-substituted with a halogen atom.
4-HydrocarbylideneazlactonesCHEMONTID:0004303Heterocyclic compounds containing a substituted 1,3-oxazoline ring, and with the general structure RC(R')=C1N=C(R'')OC1=O. They are often referred to as 'unsaturated azlactones'.
4-hydroxy-2-alkylquinolinesCHEMONTID:0001464Organic compounds containing a quinoline moiety with a hydroxyl group attached to the C4 atom, and an alkyl chain attached to the C2 atom.
4-hydroxy-3-polyprenylbenzoic acidsCHEMONTID:0004021Benzoic acids that are substituted at the 3-position by any polyprenyl group and at the 4-position by a hydroxyl group.
4-hydroxy-6,7-benzomorphansCHEMONTID:0004822Aromatic heteropolycyclic compounds containing a 6,7-benzomorphan skeleton, which is hydroxylated at the ring 4-position.
4-hydroxycoumarinsCHEMONTID:0002907Coumarins that contain one or more hydroxyl groups attached to C4-position the coumarin skeleton.
4-hydroxyflavonoidsCHEMONTID:0002988Flavonoids that bear one hydroxyl group at the C-4 position of the flavonoid skeleton.
4-Hydroxymercuribenzoic acidsCHEMONTID:0004032Benzoic acids containing a hydroxymercury (-HgOH) group attached to the 4-position of the benzene moiety.
4-Mercuribenzoic acidsCHEMONTID:0004035Benzoic acids containing a mercury atom attached to the 4-position of the benzene moiety.
4-methoxy-1,2,3-triazinesCHEMONTID:0004732Aromatic heterocyclic compounds containing a 1,2,3-triazine ring, which is substituted at the 4-position with a methoxy group.
4-nitroquinoline N-oxidesCHEMONTID:0002779Nitroquinoline derivative bearing a nitro group at ring position 4 and N-oxide group at ring position 1.
4-O-methylated flavonoidsCHEMONTID:0002589Flavonoids with methoxy groups attached to the C4 atom of the flavonoid backbone.
4-O-methylated isoflavonoidsCHEMONTID:0002599Isoflavonoids with methoxy groups attached to the C4 atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
4-phenyltetrahydroisoquinolinesCHEMONTID:0002957Compounds containing a phenyl group attached to the C4-atom of a tetrahydroisoquinoline moiety.
4-prenylated 2-arybenzofuransCHEMONTID:00035112-arylbenzofuran flavonoids featuring a C5-isoprenoid unit at the 4-position.
4-prenylated flavanonesCHEMONTID:0003648Flavanones that features a C5-isoprenoid substituent at the 4-position.
4-prenylated flavansCHEMONTID:0003640Flavans that features a C5-isoprenoid substituent at the 4-position.
4-prenylated xanthonesCHEMONTID:0003518Organic compounds containing a C5-isoprenoid group linked to a xanthone moiety at the 4-position. Xanthone is a tricyclic compound made up of two benzene rings linearly fused to each other through a pyran ring that carries a ketone group.
4-quinolinemethanolsCHEMONTID:0004538Organoheterocyclic compounds containing a quinoline moiety substituted at the 4-position with a methanol.
4-sulfobenzoic acidsCHEMONTID:0002762Sulfobenzoic acid carrying the sulfonyl group at the 4-position of the benzene group.
4-thia fatty acidsCHEMONTID:0003349Thia fatty acids with the general structure RC(S)CCC(=O)OH.
4-ThiopyrimidinesCHEMONTID:0004172Aromatic heterocyclic compounds containing a pyrimidine ring where the carbon at the 4-position involved in a C=S bond.
4,5-dioxoaporphinesCHEMONTID:0003326Alkaloids that contains the tetracyclic aporphine skeleton with two C=O groups at the 4- and 5-positions.
4,5-disubstituted 2-deoxystreptaminesCHEMONTID:00035732-deoxystreptamine aminoglycosides that a glycosidically linked to a pyranose of furanose unit at the C4- and C5-positions.
4,5-disubstituted oxazolesCHEMONTID:0002640Compounds containing an oxazole ring substituted at positions 4 and 5 only. Oxazole is a five-membered aromatic heterocycle with one oxygen, one nitrogen, and three carbon atoms. Isomers include 1,2-oxazole and 1,3-oxazole.
4,5-disubstituted thiazolesCHEMONTID:0002636Compounds containing a thiazole ring substituted at positions 4 and 5 only.
4,5-epoxy-10-normorphinansCHEMONTID:0003774Alkaloids with a structure based on the 4,5-epoxy-10-normorphinan skeleton. These compounds possess a morphinan skeleton that lacks B-ring.
4,6-disubstituted 2-deoxystreptaminesCHEMONTID:00035742-deoxystreptamine aminoglycosides that a glycosidically linked to a pyranose of furanose unit at the C4- and C6-positions.
4,6-disubstituted quinolizidinesCHEMONTID:0003785Compounds containing a quinolizine ring system that is substituted only at the 4- and 6-positions. Some alkaloids possessing a quinolizidine disubstituted at the 4- and 6-positions with alkyl groups have been isolated.
4'-hydroxyflavonoidsCHEMONTID:0002989Flavonoids that bear one hydroxyl group at the C-4' position of the flavonoid skeleton.
4'-O-methylated flavonoidsCHEMONTID:0002596Flavonoids with methoxy groups attached to the C4' atom of the flavonoid backbone.
4'-O-methylated isoflavonoidsCHEMONTID:0002606Isoflavonoids with methoxy groups attached to the C4' atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
4'-O-methylisoflavonesCHEMONTID:0002687Isoflavones with methoxy groups attached to the C4' atom of the isoflavone backbone.
4'-prenylated 2-arybenzofuransCHEMONTID:00035162-arylbenzofuran flavonoids featuring a C5-isoprenoid unit at the 4'-position.
4'-prenylated flavansCHEMONTID:0003644Flavans that features a C5-isoprenoid substituent at the 4'-position.
4a-homomorphinansCHEMONTID:0003772Alkaloids with a structure based on the 4a-homomorphinan skeleton. 4a-homomorphinan is a tetracyclic compound similar to morphinan, with the difference that the benzene ring is replaced by a cycloheptatriene ring.