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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-acetamido-5,8-dimethoxyquinoline 294174-30-4 C13H14N2O3
    4-acetamido-5,8-dimethoxyquinoline
    —— 4-amino-5,8-dimethoxyquinoline 294174-29-1 C11H12N2O2
    4-amino-5,8-dimethoxyquinoline
    —— 4-Chloropyrimido<6,5-c>cinnoline 87954-03-8 C10H5ClN4
    4-Chloropyrimido<6,5-c>cinnoline
    —— (4-oxo-6-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)carbamic acid tert-butyl ester 1431470-41-5 C17H17N3O3S
    (4-oxo-6-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)carbamic acid tert-butyl ester
    —— 4-(4-nitrobenzyl)-2-<4-(pyridin-2-yl)thiazol-2-yl>pyridine 150223-67-9 C20H14N4O2S
    4-(4-nitrobenzyl)-2-<4-(pyridin-2-yl)thiazol-2-yl>pyridine
    —— 4-chloro-2,6-dimethoxy-5-E-(methoxycarbonylethenyl)pyrimidine 134221-60-6 C10H11ClN2O4
    4-chloro-2,6-dimethoxy-5-E-(methoxycarbonylethenyl)pyrimidine
    —— 4-nitro-5,8-dimethoxyquinoline 294174-26-8 C11H10N2O4
    4-nitro-5,8-dimethoxyquinoline
    —— 4-[2-Eth-(E)-ylidene-1-methyl-cyclopentyl]-3-oxo-butyric acid 116006-05-4 C12H18O3
    4-[2-Eth-(E)-ylidene-1-methyl-cyclopentyl]-3-oxo-butyric acid
    —— 4-Chloro-1,3-diazabiphenylene 87954-04-9 C10H5ClN2
    4-Chloro-1,3-diazabiphenylene
    —— 4-(o-tolylethynyl)benzonitrile 886577-26-0 C16H11N
    4-(o-tolylethynyl)benzonitrile
    —— 4-(benzyloxy)-1-vinylcyclohexanol 75802-42-5 C15H20O2
    4-(benzyloxy)-1-vinylcyclohexanol
    —— 4-benzyloxy-1-(trimethylsilyloxy)cyclohexane-1-carbonitrile 187800-61-9 C17H25NO2Si
    4-benzyloxy-1-(trimethylsilyloxy)cyclohexane-1-carbonitrile
    —— 4-Amino-α-hydroxy-N,N-dimethyl-α-phenyl-m-toluolsulfonamid; (+/-)-3-<α-Hydroxy-benzyl>-sulfanilsaeure-dimethylamid 33211-60-8 C15H18N2O3S
    4-Amino-α-hydroxy-N,N-dimethyl-α-phenyl-m-toluolsulfonamid; (+/-)-3-<α-Hydroxy-benzyl>-sulfanilsaeure-dimethylamid
    —— 4-Cyano-5-phenyl-4-{[1-phenyl-meth-(E)-ylidene]-amino}-pentanoic acid methyl ester 113543-64-9 C20H20N2O2
    4-Cyano-5-phenyl-4-{[1-phenyl-meth-(E)-ylidene]-amino}-pentanoic acid methyl ester
    —— 4-benzyloxy-1-(2,2,2-trifluoro-1-hydroxyethyl)cyclohexanol 189450-84-8 C15H19F3O3
    4-benzyloxy-1-(2,2,2-trifluoro-1-hydroxyethyl)cyclohexanol
    —— 4-Piperidinol, 5-dimethylaminomethyl-4-phenyl-1,2,5-trimethyl-, p-nitrobenzoate, dihydrochloride 28060-45-9 C24H33Cl2N3O4
    4-Piperidinol, 5-dimethylaminomethyl-4-phenyl-1,2,5-trimethyl-, p-nitrobenzoate, dihydrochloride
    —— 4-methyl-3-piperazinotetrahydropyran-4-ol 84186-11-8 C10H20N2O2
    4-methyl-3-piperazinotetrahydropyran-4-ol
    —— 4-(4-chloro-benzyl)-6-methyl-1,3-dihydro-furo[3,4-<i>c</i>]pyridin-7-ol 68524-43-6 C15H14ClNO2
    4-(4-chloro-benzyl)-6-methyl-1,3-dihydro-furo[3,4-<i>c</i>]pyridin-7-ol
    —— 4-benzyloxy-1-methoxy-cyclohexanecarbonitrile 906318-14-7 C15H19NO2
    4-benzyloxy-1-methoxy-cyclohexanecarbonitrile
    —— 4-(3-hydroxyphenyl)-6-oxo-2-(1H-pyrazol-1-yl)-1,4,5,6-tetrahydropyrimidine-5-carboxylic acid 701244-21-5 C14H12N4O4
    4-(3-hydroxyphenyl)-6-oxo-2-(1H-pyrazol-1-yl)-1,4,5,6-tetrahydropyrimidine-5-carboxylic acid
    —— 4-benzyloxy-1-methylaminocyclohexanecarbonitrile 1239019-67-0 C15H20N2O
    4-benzyloxy-1-methylaminocyclohexanecarbonitrile
    —— 4-benzyl-1,3-dihydro-furo[3,4-<i>c</i>]pyridin-7-ol 68485-16-5 C14H13NO2
    4-benzyl-1,3-dihydro-furo[3,4-<i>c</i>]pyridin-7-ol
    —— 4-dimethylphenylsilylmethyl-3-propyl-4-penten-1-ol 1404311-01-8 C17H28OSi
    4-dimethylphenylsilylmethyl-3-propyl-4-penten-1-ol
    —— 4-benzyl-2-vinyl-3,4-dihydro-2H-benzo[b][1,4]oxazine 1314114-02-7 C17H17NO
    4-benzyl-2-vinyl-3,4-dihydro-2H-benzo[b][1,4]oxazine
    —— 4-(2,5-dimethoxy-benzoyl)-[1,2,5]thiadiazole-3-carboxylic acid methyl ester 75103-69-4 C13H12N2O5S
    4-(2,5-dimethoxy-benzoyl)-[1,2,5]thiadiazole-3-carboxylic acid methyl ester
    —— 4-(3,4-dimethoxy-phenyl)-6-methyl-1,3-dihydro-furo[3,4-<i>c</i>]pyridin-7-ol 68485-09-6 C16H17NO4
    4-(3,4-dimethoxy-phenyl)-6-methyl-1,3-dihydro-furo[3,4-<i>c</i>]pyridin-7-ol
    —— 4-(hydroxymethyl)-N-methylbenzenesulfonamide 660432-44-0 C8H11NO3S
    4-(hydroxymethyl)-N-methylbenzenesulfonamide
    —— 4-(2-Propenyl)-3-furancarbonsaeure-methylester 104463-17-4 C9H10O3
    4-(2-Propenyl)-3-furancarbonsaeure-methylester
    —— 4-(4-chloro-2,6-dimethoxypyrimidin-5-yl)benzoic acid ethyl ester 1009812-37-6 C15H15ClN2O4
    4-(4-chloro-2,6-dimethoxypyrimidin-5-yl)benzoic acid ethyl ester
    —— 4-isobutyl-3,5-dioxopimelic acid dimethyl ester 1058123-49-1 C13H20O6
    4-isobutyl-3,5-dioxopimelic acid dimethyl ester
    —— (4S,5S)-2,2-dimethyl-5-[(E)-3-phenylallyl]-1,3-dioxolane-4-carbaldehyde 1014651-17-2 C15H18O3
    (4S,5S)-2,2-dimethyl-5-[(E)-3-phenylallyl]-1,3-dioxolane-4-carbaldehyde
    —— 4-(ethoxycarbonyl)benzenesulfonic acid 14844-81-6 C9H10O5S
    4-(ethoxycarbonyl)benzenesulfonic acid
    —— 4-Chloro-2,6-dimethoxy-5-trimethylsilanylethynyl-pyrimidine 216979-85-0 C11H15ClN2O2Si
    4-Chloro-2,6-dimethoxy-5-trimethylsilanylethynyl-pyrimidine
    —— 4-(4-chloro-2,6-dimethoxypyrimidin-5-yl)benzonitrile 1009812-59-2 C13H10ClN3O2
    4-(4-chloro-2,6-dimethoxypyrimidin-5-yl)benzonitrile
    —— 4-(2-bromopropan-2-yl)-4,5-dihydro-2,4'-bithiazole 1581731-05-6 C9H11BrN2S2
    4-(2-bromopropan-2-yl)-4,5-dihydro-2,4'-bithiazole
    —— 4-amino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-7,8-dihydropteridine-5(6H)-sulfonamide 1361569-42-7 C19H18FN9O2S
    4-amino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-7,8-dihydropteridine-5(6H)-sulfonamide
    —— 4-(6-chlorohexyl)-3,5-dioxopimelic acid dimethyl ester 1058123-50-4 C15H23ClO6
    4-(6-chlorohexyl)-3,5-dioxopimelic acid dimethyl ester
    —— 4-(4-amino-3,5-dimethyl-phenyl)-4-(4-benzyloxycarbonylamino-3,3-dimethyl-phenyl)-piperidine-1-carboxylic acid benzyl ester 936027-33-7 C37H41N3O4
    4-(4-amino-3,5-dimethyl-phenyl)-4-(4-benzyloxycarbonylamino-3,3-dimethyl-phenyl)-piperidine-1-carboxylic acid benzyl ester
    —— 4-fluoroperoxybenzoic acid 1514-03-0 C7H5FO3
    4-fluoroperoxybenzoic acid
    —— 4-Imino-5-isopropylideneimidazolidin-2-one 131059-69-3 C6H9N3O
    4-Imino-5-isopropylideneimidazolidin-2-one
    —— 4-Methyl-2-methylsulfanyl-6-oxo-1-phenyl-1,6-dihydro-pyrimidine-5-carboxylic acid methyl ester 283168-89-8 C14H14N2O3S
    4-Methyl-2-methylsulfanyl-6-oxo-1-phenyl-1,6-dihydro-pyrimidine-5-carboxylic acid methyl ester
    —— (4,5-diphenyl-oxazol-2-ylmethyl)-methyl-amine; monohydrochloride 33161-66-9 C17H16N2O*ClH
    (4,5-diphenyl-oxazol-2-ylmethyl)-methyl-amine; monohydrochloride
    —— 4,5,6,7-Tetrahydro-2-(3-pyridyl)-4-benzothiazolcarbonsaeure 33695-07-7 C13H12N2O2S
    4,5,6,7-Tetrahydro-2-(3-pyridyl)-4-benzothiazolcarbonsaeure
    —— (4-chloro-2,6-dimethoxypyrimidin-5-yl)(4-fluorophenyl)methanone 1009812-65-0 C13H10ClFN2O3
    (4-chloro-2,6-dimethoxypyrimidin-5-yl)(4-fluorophenyl)methanone
    —— 4-Chloro-7H-benzo[a]acridin-12-one 134255-53-1 C17H10ClNO
    4-Chloro-7H-benzo[a]acridin-12-one
    —— 4-bromo-1-methyl-3-isochromanone 95991-74-5 C10H9BrO2
    4-bromo-1-methyl-3-isochromanone
    —— 4'-[2-(p-toluenesulfonyloxy)ethoxy]-3,4,5,6-tetrahydro-2H-pyran-4-carboxanilide 253339-71-8 C21H25NO6S
    4'-[2-(p-toluenesulfonyloxy)ethoxy]-3,4,5,6-tetrahydro-2H-pyran-4-carboxanilide
    —— 4-(5-nitro-2,2,6,7-tetramethyldihydrobenzofuran-4-ylmethyl)-1-[(4-imidazol-1-yl)phenylmethyl]piperazine 936214-91-4 C27H33N5O3
    4-(5-nitro-2,2,6,7-tetramethyldihydrobenzofuran-4-ylmethyl)-1-[(4-imidazol-1-yl)phenylmethyl]piperazine
    —— [4-(8-hydroxy-3,7-dimethylocta-2,6-dienyl)-3,5-bis(methoxymethoxy)benzyl]phosphonic acid diethyl ester 865761-69-9 C25H41O8P
    [4-(8-hydroxy-3,7-dimethylocta-2,6-dienyl)-3,5-bis(methoxymethoxy)benzyl]phosphonic acid diethyl ester
    —— 4-chloro-3-(4-cyclopropylbenzyl)-1-{6-deoxy-6-[(3-methoxy-3-oxopropanoyl)amino]-β-D-glucopyranosyl}-1H-indole 1443338-22-4 C28H31ClN2O7
    4-chloro-3-(4-cyclopropylbenzyl)-1-{6-deoxy-6-[(3-methoxy-3-oxopropanoyl)amino]-β-D-glucopyranosyl}-1H-indole