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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(4-methoxybenzylidene)-2-(2,6-difluorophenyl)-5(4H)-oxazolone 1224962-85-9 C17H11F2NO3
    4-(4-methoxybenzylidene)-2-(2,6-difluorophenyl)-5(4H)-oxazolone
    —— 4-{(R)-2-[2-(4-Methyl-piperidin-1-yl)-ethyl]-pyrrolidine-1-sulfonyl}-2-nitro-phenylamine 527739-47-5 C18H28N4O4S
    4-{(R)-2-[2-(4-Methyl-piperidin-1-yl)-ethyl]-pyrrolidine-1-sulfonyl}-2-nitro-phenylamine
    —— 4-[3-[3-(Phenoxazin-10-ylmethyl)benzoyl]indol-1-yl]butyric acid 139155-43-4 C32H26N2O4
    4-[3-[3-(Phenoxazin-10-ylmethyl)benzoyl]indol-1-yl]butyric acid
    —— 4-[3-(3-ethyl-ureido)-isoquinolin-5-yl]-benzoic acid 1338255-94-9 C19H17N3O3
    4-[3-(3-ethyl-ureido)-isoquinolin-5-yl]-benzoic acid
    —— 4,6-Dihydro-3-methylthio-1H-cyclopenta<e>-1,2,4-triazin-5,7-dicarbonsaeure-diethylester 83274-25-3 C13H17N3O4S
    4,6-Dihydro-3-methylthio-1H-cyclopenta<e>-1,2,4-triazin-5,7-dicarbonsaeure-diethylester
    —— 4-isopropyl-1,5-cyclohexadiene-1-carboxylic acid methyl ester 13132-50-8 C11H16O2
    4-isopropyl-1,5-cyclohexadiene-1-carboxylic acid methyl ester
    —— 4-chloro-4,4-difluoro-1-(furan-2-yl)but-2-en-1-one 1333054-64-0 C8H5ClF2O2
    4-chloro-4,4-difluoro-1-(furan-2-yl)but-2-en-1-one
    —— 4-(2,4-dimethoxyphenyl)-5-(2-hydroxy-5-isopropyl-4-methoxyphenyl)-4H-1,2,4-triazole-3-carboxamide 1207600-48-3 C21H24N4O5
    4-(2,4-dimethoxyphenyl)-5-(2-hydroxy-5-isopropyl-4-methoxyphenyl)-4H-1,2,4-triazole-3-carboxamide
    —— 4-[5-(4-fluorophenoxy)pyrazin-2-yl]-3-hydroxy-1-methyl-1,5-dihydropyrrol-2-one 500369-63-1 C15H12FN3O3
    4-[5-(4-fluorophenoxy)pyrazin-2-yl]-3-hydroxy-1-methyl-1,5-dihydropyrrol-2-one
    —— 4-phenyl-butane-1,1,2,3-tetracarboxylic acid tetraethyl ester 855242-87-4 C22H30O8
    4-phenyl-butane-1,1,2,3-tetracarboxylic acid tetraethyl ester
    —— (4'-ethoxy-3'-[(4-chlorobenzyloxycarbonylamino)methyl]-biphenyl-3-yl)acetic acid 478373-48-7 C25H24ClNO5
    (4'-ethoxy-3'-[(4-chlorobenzyloxycarbonylamino)methyl]-biphenyl-3-yl)acetic acid
    —— 4-[5-isopropyl-3-(4-nitro-phenyl)-4,5-dihydro-isoxazol-5-yl]-morpholine 3191-90-0 C16H21N3O4
    4-[5-isopropyl-3-(4-nitro-phenyl)-4,5-dihydro-isoxazol-5-yl]-morpholine
    —— 4-chloro-5-fluoro-3-methyl-quinoline 321-43-7 C10H7ClFN
    4-chloro-5-fluoro-3-methyl-quinoline
    —— 4-Oxo-pentanoic acid 2-{2-[2-(2-{2,5-diiodo-4-[2-(2-{2-[2-(4-oxo-pentanoyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-phenoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester 677746-08-6 C32H48I2O14
    4-Oxo-pentanoic acid 2-{2-[2-(2-{2,5-diiodo-4-[2-(2-{2-[2-(4-oxo-pentanoyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-phenoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester
    —— 4.5.6.7-Tetrachlor-2-phenyl-3-benzoyl-benzofuran 88843-71-4 C21H10Cl4O2
    4.5.6.7-Tetrachlor-2-phenyl-3-benzoyl-benzofuran
    —— (4R,5S)-3-((2R,3S,4S,5R)-3,5-Dihydroxy-2,4-dimethyl-heptanoyl)-4-methyl-5-phenyl-oxazolidin-2-one 109704-50-9 C19H27NO5
    (4R,5S)-3-((2R,3S,4S,5R)-3,5-Dihydroxy-2,4-dimethyl-heptanoyl)-4-methyl-5-phenyl-oxazolidin-2-one
    —— 4-Cyanamido-5-imidazolcarboxamid 58886-57-0 C5H5N5O
    4-Cyanamido-5-imidazolcarboxamid
    —— 4-(2-carboxyethyl)-7-iodo-3,4-dihydro-1H-1,4-benzodiazepine-2,5-dione ethyl ester 167853-84-1 C14H15IN2O4
    4-(2-carboxyethyl)-7-iodo-3,4-dihydro-1H-1,4-benzodiazepine-2,5-dione ethyl ester
    —— 4,4-Dimethyl-B-nor-5α-cholestan-3β-ol 4623-60-3 C28H50O
    4,4-Dimethyl-B-nor-5α-cholestan-3β-ol
    —— ((4-(chloroethynyl)phenyl)ethynyl)triisopropylsilane 1611484-01-5 C19H25ClSi
    ((4-(chloroethynyl)phenyl)ethynyl)triisopropylsilane
    —— 4-(2-cyclohexyl-6-methyl-1H-indol-3-yl)butan-2-one 1428020-63-6 C19H25NO
    4-(2-cyclohexyl-6-methyl-1H-indol-3-yl)butan-2-one
    —— 4-(β-Acetamidoethyl)benzene-N-<4-phenylenesulfamido-5-(2-ethyl-1,3,4-thiadiazolyl)>sulfonamide 112557-13-8 C20H23N5O5S3
    4-(β-Acetamidoethyl)benzene-N-<4-phenylenesulfamido-5-(2-ethyl-1,3,4-thiadiazolyl)>sulfonamide
    —— 4,5,6,7-Tetrahydro-benzo[d]isotellurazole 205108-89-0 C7H9NTe
    4,5,6,7-Tetrahydro-benzo[d]isotellurazole
    —— 4-(2,2-difluorobenzo[d][1,3]dioxol-4-yl)-N-(thiazol-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide 1450921-45-5 C18H13F2N3O5S2
    4-(2,2-difluorobenzo[d][1,3]dioxol-4-yl)-N-(thiazol-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide
    —— 4β,5β-epoxycholestane-3β,6α-diol 362594-67-0 C27H46O3
    4β,5β-epoxycholestane-3β,6α-diol
    —— 4-chloro-6-(4-methoxyphenyl)-2-phenyl-2,5-diazabicyclo<2.2.2>octan-3-one 139268-51-2 C19H19ClN2O2
    4-chloro-6-(4-methoxyphenyl)-2-phenyl-2,5-diazabicyclo<2.2.2>octan-3-one
    —— 4-(2-hydroxyethyl)tetrahydro-2H-thiopyran 1,1-dioxide 1782025-98-2 C7H14O3S
    4-(2-hydroxyethyl)tetrahydro-2H-thiopyran 1,1-dioxide
    —— 4-fluoro-4-(5-(5-(hydroxymethyl)furan-2-yl)-3-methylpyridin-2-yl)-N-(3-methyl-4-(trifluoromethyl)phenyl)piperidine-1-carboxamide 1412944-39-8 C25H25F4N3O3
    4-fluoro-4-(5-(5-(hydroxymethyl)furan-2-yl)-3-methylpyridin-2-yl)-N-(3-methyl-4-(trifluoromethyl)phenyl)piperidine-1-carboxamide
    —— 4-hydroxy-naphthalene-1,8-dicarboxylic acid 74710-17-1 C12H8O5
    4-hydroxy-naphthalene-1,8-dicarboxylic acid
    —— 4-chloro-2-(2-(isoquinolin-5-yl)acetamido)thiophene-3-carboxamide 1239461-30-3 C16H12ClN3O2S
    4-chloro-2-(2-(isoquinolin-5-yl)acetamido)thiophene-3-carboxamide
    —— 4ξ,17β-dihydroxy-5α-androst-2-ene 1375064-31-5 C19H30O2
    4ξ,17β-dihydroxy-5α-androst-2-ene
    —— (4aS,13aR,14aS,15S)-9-(azetidin-1-ylmethyl)-3-(benzyloxy)-4a-((tert-butyldimethylsilyl)oxy)-12-chloro-15-(dimethylamino)-5-hydroxy-4,6-dioxo-4,4a,6,13,13a,14,14a,15-octahydropentaceno[2,3-d]isoxazol-7-yl tert-butyl carbonate 1254950-12-3 C47H56ClN3O9Si
    (4aS,13aR,14aS,15S)-9-(azetidin-1-ylmethyl)-3-(benzyloxy)-4a-((tert-butyldimethylsilyl)oxy)-12-chloro-15-(dimethylamino)-5-hydroxy-4,6-dioxo-4,4a,6,13,13a,14,14a,15-octahydropentaceno[2,3-d]isoxazol-7-yl tert-butyl carbonate
    —— 4-(tert-Butyldimethylsilyloxy)-3-methylene-1-phenylhexan-2-yl 2-(diphenylphosphino)benzoate 1360570-96-2 C38H45O3PSi
    4-(tert-Butyldimethylsilyloxy)-3-methylene-1-phenylhexan-2-yl 2-(diphenylphosphino)benzoate
    —— 4-[3-(2-methoxy-5-propenyl-phenoxy)-propyl]-morpholine 50724-52-2 C17H25NO3
    4-[3-(2-methoxy-5-propenyl-phenoxy)-propyl]-morpholine
    —— (4aR,8aR)-4,8a-Dimethyl-4-phenylsulfanyl-hexahydro-isochromene-3,8-dione 89665-27-0 C17H20O3S
    (4aR,8aR)-4,8a-Dimethyl-4-phenylsulfanyl-hexahydro-isochromene-3,8-dione
    —— 4-(dimethylamino)-4-phenyl-1-(prop-1-ynyl)cyclohexanol 1004548-14-4 C17H23NO
    4-(dimethylamino)-4-phenyl-1-(prop-1-ynyl)cyclohexanol
    —— 4-(4-(3-(2-methylthiazol-4-yl)-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)cyclohex-3-enyl)morpholine 1046792-78-2 C27H28N4O3S2
    4-(4-(3-(2-methylthiazol-4-yl)-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)cyclohex-3-enyl)morpholine
    —— (4-Dimethylamino-phenyl)-(4,6-dioxo-2-thioxo-tetrahydro-pyrimidin-5-ylidene)-acetonitrile 73447-70-8 C14H12N4O2S
    (4-Dimethylamino-phenyl)-(4,6-dioxo-2-thioxo-tetrahydro-pyrimidin-5-ylidene)-acetonitrile
    —— 4-tert-butyl-N-[6-(1H-pyrazol-4-yl)imidazo[1,2-b]pyridazin-2-yl]benzamide 1005777-13-8 C20H20N6O
    4-tert-butyl-N-[6-(1H-pyrazol-4-yl)imidazo[1,2-b]pyridazin-2-yl]benzamide
    —— 4-(Hydrazinylmethylidene)-5-methyl-4H-imidazole 88634-83-7 C5H8N4
    4-(Hydrazinylmethylidene)-5-methyl-4H-imidazole
    —— 4,4,5,5-Tetramethyl-2-(3-nitro-2-(trifluoromethyl)phenyl)-1,3,2-dioxaborolane 1192548-10-9 C13H15BF3NO4
    4,4,5,5-Tetramethyl-2-(3-nitro-2-(trifluoromethyl)phenyl)-1,3,2-dioxaborolane
    —— 4-[3-[4-(pyridin-4-ylmethylamino)phenyl]phenoxy]-1H-quinolin-2-one 1217130-66-9 C27H21N3O2
    4-[3-[4-(pyridin-4-ylmethylamino)phenyl]phenoxy]-1H-quinolin-2-one
    —— 4,5-Bis(3-methylbutoxy)-9,10-dioxoanthracene-2-carbonyl azide 1537900-75-6 C25H27N3O5
    4,5-Bis(3-methylbutoxy)-9,10-dioxoanthracene-2-carbonyl azide
    —— (4S,5R,6S)-3-oxo-2,2,4,6-tetramethyl-5-(2,2,2-trichloroethoxycarbonyloxy)-8-nonenal 349655-11-4 C16H23Cl3O5
    (4S,5R,6S)-3-oxo-2,2,4,6-tetramethyl-5-(2,2,2-trichloroethoxycarbonyloxy)-8-nonenal
    —— (4-nitrophenyl)(2-(quinolin-2-yl)phenyl)methanol 1354658-41-5 C22H16N2O3
    (4-nitrophenyl)(2-(quinolin-2-yl)phenyl)methanol
    —— 4-[cyclopropyl-(2-[1,2,4]triazol-4-yl-pyrimidine-5-carbonyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester 1557033-43-8 C20H27N7O3
    4-[cyclopropyl-(2-[1,2,4]triazol-4-yl-pyrimidine-5-carbonyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-(3-chloropyridin-2-yl)-N-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-3-methoxybenzamide 849755-89-1 C19H12Cl2F3N3O2
    4-(3-chloropyridin-2-yl)-N-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-3-methoxybenzamide
    —— 4-[(3,5-difluorobenzyl)amino]-6-({4-[(piperidin-4-ylcarbonyl)amino]phenyl}amino)pyridine-3-carboxyamide hydrochloride 1227865-66-8 C25H26F2N6O2*ClH
    4-[(3,5-difluorobenzyl)amino]-6-({4-[(piperidin-4-ylcarbonyl)amino]phenyl}amino)pyridine-3-carboxyamide hydrochloride
    —— 4-{[2-(4-cyano-phenyl)-oxazole-5-carbonyl]-cyclopropyl-amino}-piperidine-1-carboxylic acid tert-butyl ester 1557031-88-5 C24H28N4O4
    4-{[2-(4-cyano-phenyl)-oxazole-5-carbonyl]-cyclopropyl-amino}-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-chloro-5-(2-fluoro-1,1-dimethyl-ethyl)-2-methyl-2H-pyrazole-3-carboxylic acid ethyl ester 1332874-84-6 C11H16ClFN2O2
    4-chloro-5-(2-fluoro-1,1-dimethyl-ethyl)-2-methyl-2H-pyrazole-3-carboxylic acid ethyl ester