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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4'-dimethylbenzhydryl trichloroacetate 1580541-53-2 C17H15Cl3O2
    4,4'-dimethylbenzhydryl trichloroacetate
    —— 4-tert.-Butyl-1-phenaethyl-thiosemicarbazid 21076-52-8 C13H21N3S
    4-tert.-Butyl-1-phenaethyl-thiosemicarbazid
    —— 4,7-dichloro-3-diethylaminomethylquinoline 104286-53-5 C14H16Cl2N2
    4,7-dichloro-3-diethylaminomethylquinoline
    —— (4S,6S)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno-[2,3-b]thiopyran-2-sulfonamide-7,7-dioxide di-p-toluyl-L-tartate salt 1227941-29-8 C10H16N2O4S3*C20H18O8
    (4S,6S)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno-[2,3-b]thiopyran-2-sulfonamide-7,7-dioxide di-p-toluyl-L-tartate salt
    —— 4-(4-cyanophenyl)-2,5-dioxo-N-[(3S)-oxolan-3-yl]-1-[3-(trifluoromethyl)phenyl]-6,7-dihydro-4H-cyclopenta[d]pyrimidine-3-carboxamide 1621271-61-1 C26H21F3N4O4
    4-(4-cyanophenyl)-2,5-dioxo-N-[(3S)-oxolan-3-yl]-1-[3-(trifluoromethyl)phenyl]-6,7-dihydro-4H-cyclopenta[d]pyrimidine-3-carboxamide
    —— 4-acetoxy-1-amino-2-ethynyl-9,10-anthraquinone 1450664-37-5 C18H11NO4
    4-acetoxy-1-amino-2-ethynyl-9,10-anthraquinone
    —— 4-Methyl-norbornen-5-ylacetat-(2) 57955-31-4 C10H14O2
    4-Methyl-norbornen-5-ylacetat-(2)
    —— [4-(1,3-dimethyl-2-phenyl-1H-indol-5-yl)-phenoxy]-acetonitrile 848749-81-5 C24H20N2O
    [4-(1,3-dimethyl-2-phenyl-1H-indol-5-yl)-phenoxy]-acetonitrile
    —— 4,5-dihydroxy-2-oxo-imidazolidine-1-carboxylic acid amide 50794-50-8 C14H8Br4
    4,5-dihydroxy-2-oxo-imidazolidine-1-carboxylic acid amide
    —— (+/-)-4-(6'-ethyl-1'-hydroxy-2',6'-dimethylcyclohexyl)-but-3-yn-2-ol tetrahydropyranyl ether 170710-57-3 C19H32O3
    (+/-)-4-(6'-ethyl-1'-hydroxy-2',6'-dimethylcyclohexyl)-but-3-yn-2-ol tetrahydropyranyl ether
    —— 4-benzoyl-1-(4-cyano-5-methyl-3-oxo-2-phenylpyridazine-3-yl)thiosemicarbazide 276691-59-9 C21H16N6O3S
    4-benzoyl-1-(4-cyano-5-methyl-3-oxo-2-phenylpyridazine-3-yl)thiosemicarbazide
    —— (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-8-(3-phenyl-propyl)-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthren-6b-carboxylic acid 1323942-52-4 C31H37F2NO4
    (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-8-(3-phenyl-propyl)-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthren-6b-carboxylic acid
    —— 4-hydroxy-1-oxaspiro[4.5]dec-3-en-2-one 16194-41-5 C9H12O3
    4-hydroxy-1-oxaspiro[4.5]dec-3-en-2-one
    —— 4a,5,7,8-tetrahydro-4a-hydroxymethyl-2,10,11-trimethoxy-5-methylnaphth<2,1-c>indole-3,6(4H6aH)-dione 108926-31-4 C21H25NO6
    4a,5,7,8-tetrahydro-4a-hydroxymethyl-2,10,11-trimethoxy-5-methylnaphth<2,1-c>indole-3,6(4H6aH)-dione
    —— 4-[4-(4-acetoxymethyl-4-hydroxy-4,5-dihydro-thiazol-2-yl)-tetrahydro-pyran-4-yl]-benzoic acid methyl ester 1206612-19-2 C19H23NO6S
    4-[4-(4-acetoxymethyl-4-hydroxy-4,5-dihydro-thiazol-2-yl)-tetrahydro-pyran-4-yl]-benzoic acid methyl ester
    —— 4,5-Dihydro-3H-pyrazolo<5,4-h>chinolin 35426-07-4 C10H9N3
    4,5-Dihydro-3H-pyrazolo<5,4-h>chinolin
    —— 4-<4-Nitro-benzoyloxy>-2-methyl-pyron-(6) 22073-74-1 C13H9NO6
    4-<4-Nitro-benzoyloxy>-2-methyl-pyron-(6)
    —— 4-Chloro-5-(p-diethylaminophenyl)-5,10-dihydropyrimido<4,5-b>chinolin 31407-44-0 C21H21ClN4
    4-Chloro-5-(p-diethylaminophenyl)-5,10-dihydropyrimido<4,5-b>chinolin
    —— 4-(4-chloro-2-(7-methyl-1,8-naphthyridin-4-ylamino)phenoxy)-N-(2-methoxyethyl)benzamide 943617-64-9 C25H23ClN4O3
    4-(4-chloro-2-(7-methyl-1,8-naphthyridin-4-ylamino)phenoxy)-N-(2-methoxyethyl)benzamide
    —— 4-Formamino-1,8-dimethyl-naphthalin 92028-29-0 C13H13NO
    4-Formamino-1,8-dimethyl-naphthalin
    —— 4-Chlor-6-cyclohexylaminobenzol-1,3-disulfonamid 14558-87-3 C12H18ClN3O4S2
    4-Chlor-6-cyclohexylaminobenzol-1,3-disulfonamid
    —— 4-methyl-2-(phenoxymethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-4-ol 1620488-13-2 C15H18N2O2
    4-methyl-2-(phenoxymethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-4-ol
    —— 4-(1-Methoxyamino-ethyl)-heptan-4-ol 134023-85-1 C10H23NO2
    4-(1-Methoxyamino-ethyl)-heptan-4-ol
    —— 4-Acetyl-1,2,3-thiadiazol 27643-14-7 C4H4N2OS
    4-Acetyl-1,2,3-thiadiazol
    —— 4H-1-Oxa-5-thia-2-aza-cyclopenta[a]naphthalene-3-carboxylic acid methylamide 56876-49-4 C12H10N2O2S
    4H-1-Oxa-5-thia-2-aza-cyclopenta[a]naphthalene-3-carboxylic acid methylamide
    —— (4S)-4-(4-cyano-2-methylsulfonylphenyl)-N-[(1-hydroxycyclobutyl)methyl]-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-6,7-dihydro-4H-cyclopenta[d]pyrimidine-3-carboxamide 1621272-34-1 C28H25F3N4O6S
    (4S)-4-(4-cyano-2-methylsulfonylphenyl)-N-[(1-hydroxycyclobutyl)methyl]-2,5-dioxo-1-[3-(trifluoromethyl)phenyl]-6,7-dihydro-4H-cyclopenta[d]pyrimidine-3-carboxamide
    —— (4-Bromo-2-fluoro-6-methylphenyl)methanamine hydrochloride 2361644-43-9 C8H10BrClFN
    (4-Bromo-2-fluoro-6-methylphenyl)methanamine hydrochloride
    —— (4S,6S,10S)-10-amino-6-phenoxy-2-oxa-8,14-diazatricyclo[14.3.1.04,8]icosa-1(20),16,18-triene-9,15-dione 1266104-89-5 C23H27N3O4
    (4S,6S,10S)-10-amino-6-phenoxy-2-oxa-8,14-diazatricyclo[14.3.1.04,8]icosa-1(20),16,18-triene-9,15-dione
    —— 4-nitrobenzyl (3S,5R,5'R,6S)-4'-oxo-5'-phenylspiro(1',3'-oxazolidine-2',6-penicillanate) 95107-15-6 C23H21N3O7S
    4-nitrobenzyl (3S,5R,5'R,6S)-4'-oxo-5'-phenylspiro(1',3'-oxazolidine-2',6-penicillanate)
    —— 4-tert-butoxycarbonylamino-hex-5-enoic acid 124099-19-0 C11H19NO4
    4-tert-butoxycarbonylamino-hex-5-enoic acid
    —— 4-Methoxy-N-[3-(4-methoxy-phenyl)-1H-indazol-7-yl]-benzenesulfonamide 874297-13-9 C21H19N3O4S
    4-Methoxy-N-[3-(4-methoxy-phenyl)-1H-indazol-7-yl]-benzenesulfonamide
    —— 4-(4-cyanophenyl)-N-cyclopropyl-2,5-dioxo-1-[2-(trifluoromethyl)pyridin-4-yl]-6,7-dihydro-4H-cyclopenta[d]pyrimidine-3-carboxamide 1621272-74-9 C24H18F3N5O3
    4-(4-cyanophenyl)-N-cyclopropyl-2,5-dioxo-1-[2-(trifluoromethyl)pyridin-4-yl]-6,7-dihydro-4H-cyclopenta[d]pyrimidine-3-carboxamide
    —— 4-[(2-Chloro-benzenesulfonylamino)-methyl]-cyclohexanecarboxylic acid 691887-08-8 C14H18ClNO4S
    4-[(2-Chloro-benzenesulfonylamino)-methyl]-cyclohexanecarboxylic acid
    —— 4-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetyl)-N-phenethylpiperazine-1-carboxamidine 1128091-46-2 C26H34N4O2
    4-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetyl)-N-phenethylpiperazine-1-carboxamidine
    —— 4-iso-Butyryl-2,3-dihydrobenzoxazol-2-on 70735-82-9 C11H11NO3
    4-iso-Butyryl-2,3-dihydrobenzoxazol-2-on
    —— (4,4-Dichloro-2,3,3-trimethyl-butyl)-trimethyl-silane 27490-46-6 C10H22Cl2Si
    (4,4-Dichloro-2,3,3-trimethyl-butyl)-trimethyl-silane
    —— 4-((3S,5S,8R,9R,10R,13R,14S,17R)-5-hydroxy-13-methyl-3-(((3S,4S,5S,6R)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)tetradecahydro-1H-8,10-(epoxymethano)cyclopenta[a]phenanthren-17-yl)furan-2(5H)-one 81645-34-3 C29H42O9
    4-((3S,5S,8R,9R,10R,13R,14S,17R)-5-hydroxy-13-methyl-3-(((3S,4S,5S,6R)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)tetradecahydro-1H-8,10-(epoxymethano)cyclopenta[a]phenanthren-17-yl)furan-2(5H)-one
    —— 4-N,N-dimethylaminomethyleneimino-7(8H)-pteridone 199789-52-1 C9H10N6O
    4-N,N-dimethylaminomethyleneimino-7(8H)-pteridone
    —— 4-benzyl-3-phenyl-5-(m-tolyl)-4,5-dihydro-1,2,4-oxadiazole 1437798-61-2 C22H20N2O
    4-benzyl-3-phenyl-5-(m-tolyl)-4,5-dihydro-1,2,4-oxadiazole
    —— 4-(isobutyldimethylsilyl)-3-(phenyldimethylsilyl)-1-(2-phenyltetramethyldisilanyl)benzene 144752-30-7 C30H46Si4
    4-(isobutyldimethylsilyl)-3-(phenyldimethylsilyl)-1-(2-phenyltetramethyldisilanyl)benzene
    —— (4-methoxyphenyl)methyl 6-bromo-2-[[(2S)-1-methoxy-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]-1-oxopropan-2-yl]carbamoyl]quinoline-4-carboxylate 927426-21-9 C33H33BrN2O7
    (4-methoxyphenyl)methyl 6-bromo-2-[[(2S)-1-methoxy-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]-1-oxopropan-2-yl]carbamoyl]quinoline-4-carboxylate
    —— 4-Chloracetamino-salicylsaeure-propylester 14035-12-2 C12H14ClNO4
    4-Chloracetamino-salicylsaeure-propylester
    —— 4-[chloro-(4-isopropyl-phenyl)-methyl]-3,5-dimethyl-isoxazole 100956-86-3 C15H18ClNO
    4-[chloro-(4-isopropyl-phenyl)-methyl]-3,5-dimethyl-isoxazole
    —— 4,6-dimethyl-2-phenyl-pyrrolo[3,4-c]pyridine-1,3-dione 108620-89-9 C15H12N2O2
    4,6-dimethyl-2-phenyl-pyrrolo[3,4-c]pyridine-1,3-dione
    —— 4-ethoxy-5-fluoro-1-β-D-ribofuranosyl-2(1H)-pyrimidinone 132842-40-1 C11H15FN2O6
    4-ethoxy-5-fluoro-1-β-D-ribofuranosyl-2(1H)-pyrimidinone
    —— 4-ethynyl-2-methylbenzaldehyde 1251424-21-1 C10H8O
    4-ethynyl-2-methylbenzaldehyde
    —— (4R,5R)3-[(benzoyloxy)methyl]-4,5-O-isopropylidene-2-cyclopentenone 1373332-57-0 C16H16O5
    (4R,5R)3-[(benzoyloxy)methyl]-4,5-O-isopropylidene-2-cyclopentenone
    —— 4-(6-methoxy-2-naphthyl)-2-butanone oxime 68427-21-4 C15H17NO2
    4-(6-methoxy-2-naphthyl)-2-butanone oxime
    —— 4-{[3-benzyl-5-(4-chlorophenyl)-1,3-thiazol-2(3H)-ylidene]amino}-benzoylchloride 1584804-18-1 C23H16Cl2N2OS
    4-{[3-benzyl-5-(4-chlorophenyl)-1,3-thiazol-2(3H)-ylidene]amino}-benzoylchloride
    —— 4-methoxy-benzaldehyde benzooxazol-2-yl-phenethyl-hydrazone 15166-45-7 C23H21N3O2
    4-methoxy-benzaldehyde benzooxazol-2-yl-phenethyl-hydrazone