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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-chloro-8-methyl-[1,2,4]triazolo[4,3-a]quinoxaline 900320-49-2 C10H7ClN4
    4-chloro-8-methyl-[1,2,4]triazolo[4,3-a]quinoxaline
    —— 4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-2-acetyl- 70385-17-0 C16H18N2O3
    4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-2-acetyl-
    —— 4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-8-chloro-2-methyl-, monohydrochloride 70384-92-8 C15H18Cl2N2O2
    4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-8-chloro-2-methyl-, monohydrochloride
    —— 4-[2-[butyl(2-phenylethyl)amino]ethyl]benzene-1,2-diol;hydron;bromide —— C20H28BrNO2
    4-[2-[butyl(2-phenylethyl)amino]ethyl]benzene-1,2-diol;hydron;bromide
    —— 4-{2-[(5-nitro-1-benzofuran-7-yl)oxy]ethyl}morpholine 856677-71-9 C14H16N2O5
    4-{2-[(5-nitro-1-benzofuran-7-yl)oxy]ethyl}morpholine
    —— 4-ethyl-1H-pyrazole-3-carboxylic acid ethyl ester 94972-02-8 C8H12N2O2
    4-ethyl-1H-pyrazole-3-carboxylic acid ethyl ester
    —— 4(1H)-Pyrimidinone, 5-((3,4-dimethoxyphenyl)methyl)-2-((2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)amino)-, dihydrochloride 70311-32-9 C20H27Cl2N5O3S
    4(1H)-Pyrimidinone, 5-((3,4-dimethoxyphenyl)methyl)-2-((2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)amino)-, dihydrochloride
    —— 4-(2-(2-(Diethylmethylammonio)ethoxy)-2-oxoethyl)-4-methylmorpholinium diiodide 70502-76-0 C14H30I2N2O3
    4-(2-(2-(Diethylmethylammonio)ethoxy)-2-oxoethyl)-4-methylmorpholinium diiodide
    —— 4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridine-2(1H)-carboxylic acid, 3,4,10,10a-tetrahydro-8-chloro-12-oxo-, methyl ester 70385-07-8 C16H17ClN2O4
    4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridine-2(1H)-carboxylic acid, 3,4,10,10a-tetrahydro-8-chloro-12-oxo-, methyl ester
    —— 4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-8-fluoro-2-methyl- 70384-98-4 C15H17FN2O2
    4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-8-fluoro-2-methyl-
    —— 4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridine-2(1H)-carboxylic acid, 3,4,10,10a-tetrahydro-8-chloro-12-oxo-, ethyl ester 70385-06-7 C17H19ClN2O4
    4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridine-2(1H)-carboxylic acid, 3,4,10,10a-tetrahydro-8-chloro-12-oxo-, ethyl ester
    —— 4H-Pyrido(1,2-a)pyrimidin-4-one, 3-ethyl-2-methyl-, monohydrochloride 70381-33-8 C11H13ClN2O
    4H-Pyrido(1,2-a)pyrimidin-4-one, 3-ethyl-2-methyl-, monohydrochloride
    —— 4H-Pyrido(1,2-a)pyrimidin-4-one, 3-butyl-2-methyl-, monohydrochloride 70381-35-0 C13H17ClN2O
    4H-Pyrido(1,2-a)pyrimidin-4-one, 3-butyl-2-methyl-, monohydrochloride
    —— (4S,5R)-4<(4R)-2,2-dimethyl-1,3-dioxolan-4-yl>-5-(2-hydroxyethyl)-2-oxo-oxazolidine 251339-19-2 C10H17NO5
    (4S,5R)-4<(4R)-2,2-dimethyl-1,3-dioxolan-4-yl>-5-(2-hydroxyethyl)-2-oxo-oxazolidine
    —— 4-(Toluene-4-sulfonyl)-cyclohexanecarboxylic acid methyl ester 69451-90-7 C15H20O4S
    4-(Toluene-4-sulfonyl)-cyclohexanecarboxylic acid methyl ester
    —— 4-(6-Methoxy-2,3,4,9-tetrahydro-1H-β-carbolin-1-ylmethyl)-benzene-1,2-diol; hydrochloride 70265-35-9 C19H20N2O3*ClH
    4-(6-Methoxy-2,3,4,9-tetrahydro-1H-β-carbolin-1-ylmethyl)-benzene-1,2-diol; hydrochloride
    —— 4-((1S,2R,3S,6R)-3-Isopropyl-2-methoxymethoxy-6-methyl-cyclohexyl)-butan-2-one 213826-12-1 C16H30O3
    4-((1S,2R,3S,6R)-3-Isopropyl-2-methoxymethoxy-6-methyl-cyclohexyl)-butan-2-one
    —— (4R,5R)-4-<(4R)-2,2-dimethyl-1,3-dioxolan-4-yl>-5-(2-chloroethyl)-2-oxo-oxazolidine 251339-20-5 C10H16ClNO4
    (4R,5R)-4-<(4R)-2,2-dimethyl-1,3-dioxolan-4-yl>-5-(2-chloroethyl)-2-oxo-oxazolidine
    —— 4-(5-(2-N-Fmoc ethyl)-2-hydroxyphenylazo)benzoic acid 934968-77-1 C30H25N3O5
    4-(5-(2-N-Fmoc ethyl)-2-hydroxyphenylazo)benzoic acid
    —— 4-(3-(pyrrol-1-yl)benzyl)-N-(2-ethoxyphenyl)piperazine-1-carboxamide 1195786-16-3 C24H28N4O2
    4-(3-(pyrrol-1-yl)benzyl)-N-(2-ethoxyphenyl)piperazine-1-carboxamide
    —— 4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-2,8-dimethyl- 70384-97-3 C16H20N2O2
    4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-2,8-dimethyl-
    —— 4H-Pyrido(1,2-a)pyrimidin-4-one, 3-butyl-2,6-dimethyl-, monohydrochloride 70381-28-1 C14H19ClN2O
    4H-Pyrido(1,2-a)pyrimidin-4-one, 3-butyl-2,6-dimethyl-, monohydrochloride
    —— 4,4,6-Trimethoxyiophthalsaeure-dimorpholid 69928-41-2 C19H26N2O7
    4,4,6-Trimethoxyiophthalsaeure-dimorpholid
    —— 4H-Pyrido(1,2-a)pyrimidin-4-one, 3,6-dimethyl-2-ethyl-, monohydrochloride 70381-32-7 C12H15ClN2O
    4H-Pyrido(1,2-a)pyrimidin-4-one, 3,6-dimethyl-2-ethyl-, monohydrochloride
    —— 4-Ethoxycarbonyl-4-phenyl-3,5-bis-(di-n-propylaminomethyl)-1-propyl-piperidin-oxalat 70436-32-7 C2H2O4*C31H55N3O2
    4-Ethoxycarbonyl-4-phenyl-3,5-bis-(di-n-propylaminomethyl)-1-propyl-piperidin-oxalat
    —— 4-(6,7-dimethoxy-isochroman-1-ylmethyl)-morpholine 70070-13-2 C16H23NO4
    4-(6,7-dimethoxy-isochroman-1-ylmethyl)-morpholine
    —— 4-(1-amino-2-methyl-propylidene)-pent-2-enedioic acid 5-ethyl ester 1-methyl ester 676627-07-9 C12H19NO4
    4-(1-amino-2-methyl-propylidene)-pent-2-enedioic acid 5-ethyl ester 1-methyl ester
    —— (4-(2-chlorophenyl)-5-(4-chlorophenyl)-2-phenylfuran-3-yl)(phenyl)methanone 1233126-23-2 C29H18Cl2O2
    (4-(2-chlorophenyl)-5-(4-chlorophenyl)-2-phenylfuran-3-yl)(phenyl)methanone
    —— 4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-2-methyl-8-nitro- 70385-00-1 C15H17N3O4
    4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-2-methyl-8-nitro-
    —— {4-[2-[2-(3,5-dimethoxyphenyl)ethyl]-5-(phenylsulfonyl)-5H-pyrrolo[2,3-b]pyrazin-6-yl]-1H-pyrazol-1-yl}acetic acid 1560796-03-3 C27H25N5O6S
    {4-[2-[2-(3,5-dimethoxyphenyl)ethyl]-5-(phenylsulfonyl)-5H-pyrrolo[2,3-b]pyrazin-6-yl]-1H-pyrazol-1-yl}acetic acid
    —— 4-(6-Hydroxy-2,3,4,9-tetrahydro-1H-β-carbolin-1-ylmethyl)-benzene-1,2-diol; hydrochloride 70265-36-0 C18H18N2O3*ClH
    4-(6-Hydroxy-2,3,4,9-tetrahydro-1H-β-carbolin-1-ylmethyl)-benzene-1,2-diol; hydrochloride
    —— 4-Chlor-3-methoxychinolin 63010-40-2 C10H8ClNO
    4-Chlor-3-methoxychinolin
    —— [4-(4-isopropyl-phenyl)-6-propargyloxy-quinazolin-2-yl]-(6-methoxy-benzothiazol-2-yl)-methanone 1042131-26-9 C29H23N3O3S
    [4-(4-isopropyl-phenyl)-6-propargyloxy-quinazolin-2-yl]-(6-methoxy-benzothiazol-2-yl)-methanone
    —— 4-Oxo-1,4-dihydro-quinoline-3,6-dicarboxylic acid 3-ethyl ester —— C13H11NO5
    4-Oxo-1,4-dihydro-quinoline-3,6-dicarboxylic acid 3-ethyl ester
    —— 4-hydroxy-9-methoxycarbonylamino-3,4-dihydro-1H-acridin-2-one ethylene acetal 202657-78-1 C17H18N2O5
    4-hydroxy-9-methoxycarbonylamino-3,4-dihydro-1H-acridin-2-one ethylene acetal
    —— 4-cyano-1-(β-D-ribopyranosyl)imidazole 5,2'-lactim 94619-78-0 C10H10N4O4
    4-cyano-1-(β-D-ribopyranosyl)imidazole 5,2'-lactim
    —— 4,5-dicyano-1-(β-D-ribopyranosyl)imidazole 94619-82-6 C10H10N4O4
    4,5-dicyano-1-(β-D-ribopyranosyl)imidazole
    —— 4(1H)-Pyrimidinone, 5-((4-hydroxyphenyl)methyl)-2-((2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)amino)-, dihydrochloride 70311-39-6 C18H23Cl2N5O2S
    4(1H)-Pyrimidinone, 5-((4-hydroxyphenyl)methyl)-2-((2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)amino)-, dihydrochloride
    —— 4-Ethoxycarbonyl-4-phenyl-3,5-bis-(piperidinomethyl)-1-propyl-piperidin-oxalat 70436-42-9 C2H2O4*C29H47N3O2
    4-Ethoxycarbonyl-4-phenyl-3,5-bis-(piperidinomethyl)-1-propyl-piperidin-oxalat
    —— 4-hydroxy-1-(1H-7-indazolyl)-6-methyl-1H-pyridin-2-one 1086006-95-2 C13H11N3O2
    4-hydroxy-1-(1H-7-indazolyl)-6-methyl-1H-pyridin-2-one
    —— 4-{[(4-Benzoyl-1-methylpiperidin-4-yl)oxy]carbonyl}anilinium 71266-47-2 C20H23N2O3+
    4-{[(4-Benzoyl-1-methylpiperidin-4-yl)oxy]carbonyl}anilinium
    —— 4-(3-Chloro-4-fluoro-phenylamino)-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidine-2-carboxylic acid ethyl ester 106778-76-1 C19H17ClFN3O2S
    4-(3-Chloro-4-fluoro-phenylamino)-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidine-2-carboxylic acid ethyl ester
    —— 4H-Pyrido(1,2-a)pyrimidin-4-one, 3-ethyl-2,6,8-trimethyl-, monohydrochloride 70381-67-8 C13H17ClN2O
    4H-Pyrido(1,2-a)pyrimidin-4-one, 3-ethyl-2,6,8-trimethyl-, monohydrochloride
    —— 4-(6-methoxy-1,3-benzothiazol-2-y)benzonitrie 17930-13-1 C15H10N2OS
    4-(6-methoxy-1,3-benzothiazol-2-y)benzonitrie
    —— 4-allyloxy-3-methyl-5,6,7,8-tetrahydroquinoline-N-oxide 104685-69-0 C13H17NO2
    4-allyloxy-3-methyl-5,6,7,8-tetrahydroquinoline-N-oxide
    —— 4H-Pyrido(1,2-a)pyrimidin-4-one, 2-methyl-3-propyl-, monohydrochloride 70381-34-9 C12H15ClN2O
    4H-Pyrido(1,2-a)pyrimidin-4-one, 2-methyl-3-propyl-, monohydrochloride
    —— 4-(3-hydroxy-4,5-dimethoxy-thiobenzoyl)-morpholine 70733-91-4 C13H17NO4S
    4-(3-hydroxy-4,5-dimethoxy-thiobenzoyl)-morpholine
    —— 4-methyl-2-phenyl-3-[4-(trifluoromethyl)phenyl]isoxazolidine-4-carbaldehyde 433285-93-9 C18H16F3NO2
    4-methyl-2-phenyl-3-[4-(trifluoromethyl)phenyl]isoxazolidine-4-carbaldehyde
    —— 4-(Toluene-4-sulfonyl)-cyclohex-3-enecarbaldehyde 69451-87-2 C14H16O3S
    4-(Toluene-4-sulfonyl)-cyclohex-3-enecarbaldehyde
    —— 4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-8-methoxy-2-methyl- 70385-03-4 C16H20N2O3
    4a,10-(Iminoethano)-4aH-(1)benzopyrano(3,2-c)pyridin-12-one, 1,2,3,4,10,10a-hexahydro-8-methoxy-2-methyl-