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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Chloro-N-[(1,1-dimethylethoxy)carbonyl]-D-phenylalanine 2,5-dioxo-1-pyrrolidinyl ester 556053-23-7 C18H21ClN2O6
    4-Chloro-N-[(1,1-dimethylethoxy)carbonyl]-D-phenylalanine 2,5-dioxo-1-pyrrolidinyl ester
    —— 4-bromo-N'-(2-hydroxy-2-methylpropyl)benzimidohydrazide hydrochloride 1184174-36-4 C11H16BrN3O*ClH
    4-bromo-N'-(2-hydroxy-2-methylpropyl)benzimidohydrazide hydrochloride
    —— 4-Benzyl-3-(3-morpholino-1-phenylpropyl)-1,3-oxazolidin-2-one fumarate 161215-81-2 C4H4O4*C23H28N2O3
    4-Benzyl-3-(3-morpholino-1-phenylpropyl)-1,3-oxazolidin-2-one fumarate
    —— 4-fluoro-5-[5-methoxy-4-oxo-3-(1-phenyl-1H-pyrazol-5-yl)pyridazin-1(4H)-yl]-3,3-dimethyl-1-(2,2,2-trifluoroethyl)-1,3-dihydro-2H-indol-2-one 1357192-18-7 C26H21F4N5O3
    4-fluoro-5-[5-methoxy-4-oxo-3-(1-phenyl-1H-pyrazol-5-yl)pyridazin-1(4H)-yl]-3,3-dimethyl-1-(2,2,2-trifluoroethyl)-1,3-dihydro-2H-indol-2-one
    —— 4-hydroxy-3-(6-(4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)-4-p-tolylpyridin-2-yl)-6-methyl-2H-pyran-2-one 1499931-16-6 C24H19NO6
    4-hydroxy-3-(6-(4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)-4-p-tolylpyridin-2-yl)-6-methyl-2H-pyran-2-one
    —— 4-methoxy-benzoic acid-[5-(4-nitro-phenoxy)-pentylamide] 110047-69-3 C19H22N2O5
    4-methoxy-benzoic acid-[5-(4-nitro-phenoxy)-pentylamide]
    —— (4-chloro-phthalazin-1-yl)-(2,2-dimethoxy-ethyl)-amine 39115-63-4 C12H14ClN3O2
    (4-chloro-phthalazin-1-yl)-(2,2-dimethoxy-ethyl)-amine
    —— 4-chloro-2-(4-methoxybenzyl)-7-(methylsulfonyl)-2H-pyrazolo[3,4-c]quinoline 1604676-55-2 C19H16ClN3O3S
    4-chloro-2-(4-methoxybenzyl)-7-(methylsulfonyl)-2H-pyrazolo[3,4-c]quinoline
    —— 4'-{1-(6-methoxypyrimidin-4-yl)-8-[(3-methylpyridin-2-yl)methyl]-2,4-dioxo-1,3,8-triazaspiro[4.5]dec-3-yl}-2-methylbiphenyl-4-carboxylic acid 1258878-35-1 C33H32N6O5
    4'-{1-(6-methoxypyrimidin-4-yl)-8-[(3-methylpyridin-2-yl)methyl]-2,4-dioxo-1,3,8-triazaspiro[4.5]dec-3-yl}-2-methylbiphenyl-4-carboxylic acid
    —— 4-(5-(5-cyclopentyl-2,5-diazabicyclo[2.2.1]hept-2-yl)imidazo[1,2-c]pyrimidin-7-yl)-N-((1S)-1-phenylethyl)-2-pyridinamine 861416-00-4 C29H33N7
    4-(5-(5-cyclopentyl-2,5-diazabicyclo[2.2.1]hept-2-yl)imidazo[1,2-c]pyrimidin-7-yl)-N-((1S)-1-phenylethyl)-2-pyridinamine
    —— 4-[4-(4-bromophenyl)-1-phenyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]benzenesulfonamide 192449-79-9 C22H15BrF3N3O2S
    4-[4-(4-bromophenyl)-1-phenyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]benzenesulfonamide
    —— 4-(7-Methyl-[1,2,4]triazolo[1,5-a]pyridin-2-yl)phenol 1308247-14-4 C13H11N3O
    4-(7-Methyl-[1,2,4]triazolo[1,5-a]pyridin-2-yl)phenol
    —— 4-[2-Methoxy-4-[6-(1-phenylbutylamino)pyrazin-2-yl]phenoxy]butan-1-ol 854073-53-3 C25H31N3O3
    4-[2-Methoxy-4-[6-(1-phenylbutylamino)pyrazin-2-yl]phenoxy]butan-1-ol
    —— 4-(4-Chlorophenyl)sulfinyl-3,5-dimethylphenol 52145-62-7 C14H13ClO2S
    4-(4-Chlorophenyl)sulfinyl-3,5-dimethylphenol
    —— 4-[[2-(3-fluorophenoxy)ethyl]oxy]-alpha-oxobenzeneacetic acid 145794-43-0 C16H13FO5
    4-[[2-(3-fluorophenoxy)ethyl]oxy]-alpha-oxobenzeneacetic acid
    —— (4R,5R)-2,2-dimethyl-4-((tetrahydro-1H-thiophen-1-ium-1-yl)methyl)-1,3-dioxan-5-yl sulfate 302579-07-3 C11H20O6S2
    (4R,5R)-2,2-dimethyl-4-((tetrahydro-1H-thiophen-1-ium-1-yl)methyl)-1,3-dioxan-5-yl sulfate
    —— 4-chloro-2-oxo-2-phenyl-1(3),2-dihydro-2λ5-[1,3,2]diazaphosphinine-5-carbonitrile 67247-97-6 C10H7ClN3OP
    4-chloro-2-oxo-2-phenyl-1(3),2-dihydro-2λ5-[1,3,2]diazaphosphinine-5-carbonitrile
    —— [(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl (E)-but-2-enoate 187534-05-0 C10H16O4
    [(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl (E)-but-2-enoate
    —— 4,8-Dimethyl-6-cyan-oxepino<2,3-b>chinolin 23436-64-8 C16H12N2O
    4,8-Dimethyl-6-cyan-oxepino<2,3-b>chinolin
    —— 4-methyl-5-(7-methyl-imidazo[1,2-<i>a</i>]pyridin-3-ylselanyl)-pyridin-2-ylamine 56051-33-3 C14H14N4Se
    4-methyl-5-(7-methyl-imidazo[1,2-<i>a</i>]pyridin-3-ylselanyl)-pyridin-2-ylamine
    —— 4-amino-8-α-<i>D</i>-ribofuranosyl-8<i>H</i>-imidazo[1,2-<i>a</i>][1,3,5]triazin-2-one 67774-02-1 C10H13N5O5
    4-amino-8-α-<i>D</i>-ribofuranosyl-8<i>H</i>-imidazo[1,2-<i>a</i>][1,3,5]triazin-2-one
    —— (4S,5aR,5bR,9S,11aR,13R,13aS,13bR)-3,5a,5b,8,8,11a,13b-Heptamethyl-2,4,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene-4,9,13-triol 64799-66-2 C28H46O3
    (4S,5aR,5bR,9S,11aR,13R,13aS,13bR)-3,5a,5b,8,8,11a,13b-Heptamethyl-2,4,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene-4,9,13-triol
    —— 4-hydroxymethyl-1-(<i>N</i>-hydroxy-4-methyl-benzimidoyl)-1<i>H</i>-[1,2,3]triazole 68671-63-6 C11H12N4O2
    4-hydroxymethyl-1-(<i>N</i>-hydroxy-4-methyl-benzimidoyl)-1<i>H</i>-[1,2,3]triazole
    —— 4-phthalazin-1-ylhydrazono-pent-2-enoic acid 56173-21-8 C13H12N4O2
    4-phthalazin-1-ylhydrazono-pent-2-enoic acid
    —— 4-(4-dimethylamino-benzylidene)-7-methyl-1,1-dioxo-1,2,3,4-tetrahydro-1λ<sup>6</sup>-benzo[<i>b</i>]thiepin-5-one 53371-51-0 C20H21NO3S
    4-(4-dimethylamino-benzylidene)-7-methyl-1,1-dioxo-1,2,3,4-tetrahydro-1λ<sup>6</sup>-benzo[<i>b</i>]thiepin-5-one
    —— (4S)-3-[(2S,6RS)-2,6,10-trimethylundec-9-enoyl]-4-(phenylmethyl)oxazolidin-2-one 1147102-43-9 C24H35NO3
    (4S)-3-[(2S,6RS)-2,6,10-trimethylundec-9-enoyl]-4-(phenylmethyl)oxazolidin-2-one
    —— 4-[[(1R,10S,11S,12S)-5-methoxy-12-methyl-11-propyl-14-azatetracyclo[10.2.2.01,10.02,7]hexadeca-2(7),3,5-trien-14-yl]amino]benzonitrile 1187251-77-9 C27H33N3O
    4-[[(1R,10S,11S,12S)-5-methoxy-12-methyl-11-propyl-14-azatetracyclo[10.2.2.01,10.02,7]hexadeca-2(7),3,5-trien-14-yl]amino]benzonitrile
    —— (4S)-1-(p-methoxybenzyl)-4-<(1'S)-1'-methoxyethyl>azetidin-2-one 112162-36-4 C14H19NO3
    (4S)-1-(p-methoxybenzyl)-4-<(1'S)-1'-methoxyethyl>azetidin-2-one
    —— 4-<4-Methylpiperazino>-10,11-dihydro-benzo<b>thieno<2,3-f>azocin 30686-27-2 C18H21N3S
    4-<4-Methylpiperazino>-10,11-dihydro-benzo<b>thieno<2,3-f>azocin
    —— 4H-Pyrano[2,3-h][1]benzoxepin-4-one, 2,3,7,8,9,10-hexahydro- 1260008-49-8 C13H14O3
    4H-Pyrano[2,3-h][1]benzoxepin-4-one, 2,3,7,8,9,10-hexahydro-
    —— 4-Quinolinecarboxylic acid, 4-amino-7-bromo-1,2,3,4-tetrahydro-1-[(4-methylphenyl)sulfonyl]- 1337719-22-8 C17H17BrN2O4S
    4-Quinolinecarboxylic acid, 4-amino-7-bromo-1,2,3,4-tetrahydro-1-[(4-methylphenyl)sulfonyl]-
    —— 4-Methyl-1-(2,2,3-trimethyl-3-cyclopenten-1-yl)-3-cyclohexene-1-methanol 139539-71-2 C16H26O
    4-Methyl-1-(2,2,3-trimethyl-3-cyclopenten-1-yl)-3-cyclohexene-1-methanol
    —— 4'-Hydroxyatropine 21642-86-4 C17H23NO4
    4'-Hydroxyatropine
    —— 4-(4-chlorophenyl)-3-ethoxy-1H-pyrazole 1207432-16-3 C11H11ClN2O
    4-(4-chlorophenyl)-3-ethoxy-1H-pyrazole
    —— (4aR,4bS,6aS,7S,9aR)-N-[2,5-Bis(trifluoromethyl)phenyl]-2,4a,4b,5,6,6a,7,8,9,9a-decahydro-4a,6a-dimethyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxamide 1430804-90-2 C27H26F6N2O2
    (4aR,4bS,6aS,7S,9aR)-N-[2,5-Bis(trifluoromethyl)phenyl]-2,4a,4b,5,6,6a,7,8,9,9a-decahydro-4a,6a-dimethyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxamide
    —— 4-(1-Methyl-1H-pyrrol-2-yl)-4-piperidinol 50461-60-4 C10H16N2O
    4-(1-Methyl-1H-pyrrol-2-yl)-4-piperidinol
    —— 4-(Acetyloxy)-3,4-dihydro-1-benzoxepin-5(2H)-one 20426-79-3 C12H12O4
    4-(Acetyloxy)-3,4-dihydro-1-benzoxepin-5(2H)-one
    —— 4,6-Diiodo-5-methyl-1,3-benzenediol 317321-43-0 C7H6I2O2
    4,6-Diiodo-5-methyl-1,3-benzenediol
    —— 4-(1,2-Dimethyl-propenyl)-1,2-dimethyl-5-nitro-1H-imidazole 128646-55-9 C10H15N3O2
    4-(1,2-Dimethyl-propenyl)-1,2-dimethyl-5-nitro-1H-imidazole
    —— 4-(2,6-Dichloro-phenyl)-2-oxo-pyrrolidine-3-carboxylic acid 22482-41-3 C11H9Cl2NO3
    4-(2,6-Dichloro-phenyl)-2-oxo-pyrrolidine-3-carboxylic acid
    —— (4,6-bis-pentachlorophenoxy-[1,3,5]triazin-2-yl)-butyl-amine 25624-21-9 C19H10Cl10N4O2
    (4,6-bis-pentachlorophenoxy-[1,3,5]triazin-2-yl)-butyl-amine
    —— 4-acetoxy-3-(2-chloro-ethylcarbamoyloxy)-15-(4-hydroxy-18-methoxycarbonyl-5,18-seco-ibogamin-18-yl)-16-methoxy-1-methyl-6,7-didehydro-aspidospermidine-3-carboxylic acid methyl ester 67658-15-5 C49H62ClN5O10
    4-acetoxy-3-(2-chloro-ethylcarbamoyloxy)-15-(4-hydroxy-18-methoxycarbonyl-5,18-seco-ibogamin-18-yl)-16-methoxy-1-methyl-6,7-didehydro-aspidospermidine-3-carboxylic acid methyl ester
    —— 4-[5-(2,5-Difluorophenyl)spiro[1,3,4-thiadiazole-2,4'-2,3-dihydrochromene]-3-yl]-4-oxobutanamide 1146209-22-4 C20H17F2N3O3S
    4-[5-(2,5-Difluorophenyl)spiro[1,3,4-thiadiazole-2,4'-2,3-dihydrochromene]-3-yl]-4-oxobutanamide
    —— 4-amino-6-oxo-1,6-dihydro-[1,3,5]triazine-2-carbaldehyde-phenylhydrazone 60965-39-1 C10H10N6O
    4-amino-6-oxo-1,6-dihydro-[1,3,5]triazine-2-carbaldehyde-phenylhydrazone
    —— 4-acetyl-3-methylphenyl methanesulfonate 1314564-26-5 C10H12O4S
    4-acetyl-3-methylphenyl methanesulfonate
    —— 4-phenylthiomethylazulene 136006-04-7 C17H14S
    4-phenylthiomethylazulene
    —— (4-Oxo-1-propyl-1,4-dihydro-[1,3]dioxolo[4,5-g]cinnolin-3-yl)-triphenyl-phosphonium; bromide 109773-34-4 Br*C30H26N2O3P
    (4-Oxo-1-propyl-1,4-dihydro-[1,3]dioxolo[4,5-g]cinnolin-3-yl)-triphenyl-phosphonium; bromide
    —— 4-((diphenylphosphoryl)(4-(methylthio)phenyl)methyl)-3-methyl-1-phenyl-1H-pyrazol-5-ol 1527476-81-8 C30H27N2O2PS
    4-((diphenylphosphoryl)(4-(methylthio)phenyl)methyl)-3-methyl-1-phenyl-1H-pyrazol-5-ol
    —— 4-[2-(3-Carboxyprop-1-yl)oxybenzoyl]amino-3-methoxy-N-methyl-N-[4-methyl-2-[5-(4-methylpiperazin-1-yl)carbonylpent-1-yl]oxy]phenylbenzamide 186657-47-6 C38H48N4O8
    4-[2-(3-Carboxyprop-1-yl)oxybenzoyl]amino-3-methoxy-N-methyl-N-[4-methyl-2-[5-(4-methylpiperazin-1-yl)carbonylpent-1-yl]oxy]phenylbenzamide
    —— 4,18,24,29-Tetraoxa-7,15-dithia-1,21,32-triaza-tricyclo[19.5.5.19,13]dotriaconta-9,11,13(32)-triene 106130-25-0 C23H39N3O4S2
    4,18,24,29-Tetraoxa-7,15-dithia-1,21,32-triaza-tricyclo[19.5.5.19,13]dotriaconta-9,11,13(32)-triene