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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,9-diacetoxy-2-methyl-naphtho[2,3-<i>b</i>]furan-3-carboxylic acid ethyl ester 66558-90-5 C20H18O7
    4,9-diacetoxy-2-methyl-naphtho[2,3-<i>b</i>]furan-3-carboxylic acid ethyl ester
    —— 4-Oxo-butyric acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester 116492-50-3 C14H24O3
    4-Oxo-butyric acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester
    —— 4-(4-nitrophenyl)-4,5-dihydro-1H-benzo[b][1,4]diazepin-2(3H)-one 93946-02-2 C15H13N3O3
    4-(4-nitrophenyl)-4,5-dihydro-1H-benzo[b][1,4]diazepin-2(3H)-one
    —— 4-((3-((2,3-diethyl-1,1-dioxido-4-oxo-1,2,3,5-thiatriazolidin-5-yl)methyl)phenyl)amino)-4-oxobutanoic acid 1217341-84-8 C16H22N4O6S
    4-((3-((2,3-diethyl-1,1-dioxido-4-oxo-1,2,3,5-thiatriazolidin-5-yl)methyl)phenyl)amino)-4-oxobutanoic acid
    —— 4,4'-dimethyldiphenylmethyl p-toluenethiosulfonate 132102-85-3 C22H22O2S2
    4,4'-dimethyldiphenylmethyl p-toluenethiosulfonate
    —— (4R,5S)-4-Fluoromethyl-5-((E)-pentadec-1-enyl)-oxazolidin-2-one 130333-87-8 C19H34FNO2
    (4R,5S)-4-Fluoromethyl-5-((E)-pentadec-1-enyl)-oxazolidin-2-one
    —— 4-isopropyl-pyrrolidine-1,2-dicarboxylic acid diethyl ester 132467-58-4 C13H23NO4
    4-isopropyl-pyrrolidine-1,2-dicarboxylic acid diethyl ester
    —— 4-cyano-3-ethoxy-5,6,7,8-tetrahydro-isoquinoline-1-carboxylic acid 56154-49-5 C13H14N2O3
    4-cyano-3-ethoxy-5,6,7,8-tetrahydro-isoquinoline-1-carboxylic acid
    —— (4-dimethylamino-phenylimino)-(1-methyl-1<i>H</i>-benzoimidazol-2-yl)-acetonitrile 4121-73-7 C18H17N5
    (4-dimethylamino-phenylimino)-(1-methyl-1<i>H</i>-benzoimidazol-2-yl)-acetonitrile
    —— 4-(4-methyl-piperazin-1-ylmethyl)-N-[3-(4-pyridin-2-yl-pyrimidin-2-ylamino)-phenyl]-benzamide 475587-66-7 C28H29N7O
    4-(4-methyl-piperazin-1-ylmethyl)-N-[3-(4-pyridin-2-yl-pyrimidin-2-ylamino)-phenyl]-benzamide
    —— 4-[2,5-dihydro-3-[7-[4-(methoxyacetyl)piperazin-1-yl]-heptyl]-4-methyl-2,5-dioxo-1H-pyrrol-1-yl]-2-(trifluoromethyl)benzonitrile 534610-61-2 C27H33F3N4O4
    4-[2,5-dihydro-3-[7-[4-(methoxyacetyl)piperazin-1-yl]-heptyl]-4-methyl-2,5-dioxo-1H-pyrrol-1-yl]-2-(trifluoromethyl)benzonitrile
    —— 4,5-Benztryptamine 54544-26-2 C14H14N2
    4,5-Benztryptamine
    —— 4-[5-(4-Amino-phenoxy)-pentyloxy]-phenol 101582-77-8 C17H21NO3
    4-[5-(4-Amino-phenoxy)-pentyloxy]-phenol
    —— 4-Jod-2,2-dimethyl-thietan-1,1-dioxid 56812-77-2 C5H9IO2S
    4-Jod-2,2-dimethyl-thietan-1,1-dioxid
    —— (4-methoxy-phenyl)-(3-pyrrolidin-1-yl-benzofuran-2-yl)-methanone (<i>Z</i>)-oxime 56118-33-3 C20H20N2O3
    (4-methoxy-phenyl)-(3-pyrrolidin-1-yl-benzofuran-2-yl)-methanone (<i>Z</i>)-oxime
    —— 4-(1-ethoxyethoxy)benzonitrile 123652-91-5 C11H13NO2
    4-(1-ethoxyethoxy)benzonitrile
    —— 4-methyl-1-(2-methyl-[1,3]dioxolan-2-yl)-4-nitro-pentan-3-ol 40159-30-6 C10H19NO5
    4-methyl-1-(2-methyl-[1,3]dioxolan-2-yl)-4-nitro-pentan-3-ol
    —— 4-[[(1-Methylpyrazol-3-yl)amino]methyl]benzene-1,3-diol;hydrochloride 1856028-10-8 C11H14ClN3O2
    4-[[(1-Methylpyrazol-3-yl)amino]methyl]benzene-1,3-diol;hydrochloride
    —— 4-[(furan-2-yl)methyl]-1,2-dihydro-2,2-dimethyl-4H-benzo[e][1,4]diazepine-3,5-dione 1416791-90-6 C16H16N2O3
    4-[(furan-2-yl)methyl]-1,2-dihydro-2,2-dimethyl-4H-benzo[e][1,4]diazepine-3,5-dione
    —— 4-bromo-1,3-dichloro-6-(2,4-dimethoxybenzyl)-9-oxo-6,9-dihydro-5H-pyrido[4,3-c]azepine-8-carboxylic acid ethyl ester 815618-83-8 C21H19BrCl2N2O5
    4-bromo-1,3-dichloro-6-(2,4-dimethoxybenzyl)-9-oxo-6,9-dihydro-5H-pyrido[4,3-c]azepine-8-carboxylic acid ethyl ester
    —— 4-[(E)-3-(4-Hydroxy-2-methoxy-phenyl)-propenyl]-2,6-dimethoxy-phenol 84459-22-3 C18H20O5
    4-[(E)-3-(4-Hydroxy-2-methoxy-phenyl)-propenyl]-2,6-dimethoxy-phenol
    —— 4-Hydroxy-3-methoxycarbonyl-benzolsulfonsaeure-hydrazid 18962-01-1 C8H10N2O5S
    4-Hydroxy-3-methoxycarbonyl-benzolsulfonsaeure-hydrazid
    —— 4-ethoxy-3,5,6-triphenyl-pyridazine 95489-39-7 C24H20N2O
    4-ethoxy-3,5,6-triphenyl-pyridazine
    —— 4-[[4-anilino-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-2,5-diphenyl-4H-pyrazol-3-one 155776-41-3 C30H24N6O2S
    4-[[4-anilino-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-2,5-diphenyl-4H-pyrazol-3-one
    —— 4,5-dimethoxy-2-nitrobenzyl 2-O-tert-butyldimethylsilyl-5-O-dimethoxytrityl-β-D-ribofuranoside 851597-75-6 C41H51NO11Si
    4,5-dimethoxy-2-nitrobenzyl 2-O-tert-butyldimethylsilyl-5-O-dimethoxytrityl-β-D-ribofuranoside
    —— 4-<O,O-Diaethyl-phosphono>-buttersaeure-<4-chlorthiophenyl>-ester 3661-26-5 C14H20ClO4PS
    4-<O,O-Diaethyl-phosphono>-buttersaeure-<4-chlorthiophenyl>-ester
    —— 4-Ethyl-N-<2-(1-naphthyl)-ethyl>-piperidin 94432-32-3 C19H25N
    4-Ethyl-N-<2-(1-naphthyl)-ethyl>-piperidin
    —— 4-Amino-3-methyl-benzo<c>cinnolin 91901-91-6 C13H11N3
    4-Amino-3-methyl-benzo<c>cinnolin
    —— 4-O-Methyl-2,3-O-isopropyliden-methyl-α-D-lyxopyranosid 16838-99-6 C10H18O5
    4-O-Methyl-2,3-O-isopropyliden-methyl-α-D-lyxopyranosid
    —— 4-Amino-N-(5-thiocyanato-thiazol-2-yl)-benzenesulfonamide 93691-29-3 C10H8N4O2S3
    4-Amino-N-(5-thiocyanato-thiazol-2-yl)-benzenesulfonamide
    —— 4,5-Dihydro-furan-dicarbonsaeure-(3,5)-diethylester 99173-67-8 C10H14O5
    4,5-Dihydro-furan-dicarbonsaeure-(3,5)-diethylester
    —— 4-phenylthiazolidine hydrochloride 1024024-99-4 C9H11NS*ClH
    4-phenylthiazolidine hydrochloride
    —— 4-(3-Chloro-phenyl)-5-(5-methyl-1-phenyl-1H-[1,2,3]triazol-4-yl)-2,4-dihydro-[1,2,4]triazole-3-thione 342006-13-7 C17H13ClN6S
    4-(3-Chloro-phenyl)-5-(5-methyl-1-phenyl-1H-[1,2,3]triazol-4-yl)-2,4-dihydro-[1,2,4]triazole-3-thione
    —— 4,5-Dihydro-3-[1-[2-hydroxy-2-(4-methoxyphenyl)ethyl]-1,2,5,6-tetrahydropyrid-4-yl]-1,2,4-triazin-6(1H)-one 151092-35-2 C17H22N4O3
    4,5-Dihydro-3-[1-[2-hydroxy-2-(4-methoxyphenyl)ethyl]-1,2,5,6-tetrahydropyrid-4-yl]-1,2,4-triazin-6(1H)-one
    —— 4-O-acetyl-3,6-di-O-benzyl-2-deoxy-2-phthalimido-α-D-glucopyranose 92517-05-0 C30H29NO8
    4-O-acetyl-3,6-di-O-benzyl-2-deoxy-2-phthalimido-α-D-glucopyranose
    —— 4-<i>sec</i>-butyl-2-<i>tert</i>-butyl-6-(5-chloro-benzotriazol-2-yl)-phenol 38080-34-1 C20H24ClN3O
    4-<i>sec</i>-butyl-2-<i>tert</i>-butyl-6-(5-chloro-benzotriazol-2-yl)-phenol
    —— 4,5-Di-(N-methylanilino)cyclopent-2-enon 70474-07-6 C19H20N2O
    4,5-Di-(N-methylanilino)cyclopent-2-enon
    —— 4-benzoyloxy-1,2,3,4-tetrahydro-acridine-9-carboxylic acid methyl ester 63123-72-8 C22H19NO4
    4-benzoyloxy-1,2,3,4-tetrahydro-acridine-9-carboxylic acid methyl ester
    —— 4-(2,2-difluoro-1-methoxy-ethyl)-indan-1-ol 1380388-32-8 C12H14F2O2
    4-(2,2-difluoro-1-methoxy-ethyl)-indan-1-ol
    —— 4-{6-[10-(tert-butyl-diphenyl-silanyloxy)-6,11-bis-methoxymethoxy-2-methyl-4-methylene-13-phenyl-trideca-7,12-dienyl]-5,6-dihydro-2H-pyran-2-yl}-but-2-enal 916771-86-3 C50H66O7Si
    4-{6-[10-(tert-butyl-diphenyl-silanyloxy)-6,11-bis-methoxymethoxy-2-methyl-4-methylene-13-phenyl-trideca-7,12-dienyl]-5,6-dihydro-2H-pyran-2-yl}-but-2-enal
    —— 4,6-dimethoxy-2-phenyl-2<i>H</i>-[1,3,5]triazine-1-carboximidic acid amide 60745-34-8 C12H15N5O2
    4,6-dimethoxy-2-phenyl-2<i>H</i>-[1,3,5]triazine-1-carboximidic acid amide
    —— 4-(2-azidoethyl)-1-[2-(1-octyl-1H-1,2,3-triazol-4-yl)ethyl]-1H-1,2,3-triazole 1314581-66-2 C16H27N9
    4-(2-azidoethyl)-1-[2-(1-octyl-1H-1,2,3-triazol-4-yl)ethyl]-1H-1,2,3-triazole
    —— 4,4,5,5-tetramethyl-2-oxo-2-(1-piperidino-1-phenylethyl)-1,3,2-dioxaphospholane 136001-47-3 C19H30NO3P
    4,4,5,5-tetramethyl-2-oxo-2-(1-piperidino-1-phenylethyl)-1,3,2-dioxaphospholane
    —— 4,4-ethanediyldioxy-5,6-seco-β,β-caroten-6-one 106629-99-6 C42H60O3
    4,4-ethanediyldioxy-5,6-seco-β,β-caroten-6-one
    —— 4-[cyclopropyl-(2-{3-fluoro-4-[3-(3-methyl-[1,2,4]oxadiazol-5-yl)-pyrrolidine-1-carbonyl]-phenyl}-pyrimidine-5-carbonyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester 1557033-54-1 C32H38FN7O5
    4-[cyclopropyl-(2-{3-fluoro-4-[3-(3-methyl-[1,2,4]oxadiazol-5-yl)-pyrrolidine-1-carbonyl]-phenyl}-pyrimidine-5-carbonyl)-amino]-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-((3-chlorophenyl)amino)hexan-3-one 1424002-68-5 C12H16ClNO
    4-((3-chlorophenyl)amino)hexan-3-one
    —— 4,4'-Bis<<<5''-(F-hexyl)pentyl>oxy>carbonyl>-2,2'-bipyridine 140464-61-5 C34H26F26N2O4
    4,4'-Bis<<<5''-(F-hexyl)pentyl>oxy>carbonyl>-2,2'-bipyridine
    —— [4-[2-(dimethylamino)ethyl]piperazin-1-yl]-[2-hydroxy-5-[3-(2-methoxyphenyl)-1H-pyrrolo[2,3-b]pyridin-5-yl]-3-methylphenyl]methanone 875639-08-0 C30H35N5O3
    [4-[2-(dimethylamino)ethyl]piperazin-1-yl]-[2-hydroxy-5-[3-(2-methoxyphenyl)-1H-pyrrolo[2,3-b]pyridin-5-yl]-3-methylphenyl]methanone
    —— [4-(1,3-Diethyl-2-oxo-2,3-dihydro-1H-benzoimidazol-5-yl)-5-m-tolyl-pyrazol-1-yl]-acetic acid 1098981-98-6 C23H24N4O3
    [4-(1,3-Diethyl-2-oxo-2,3-dihydro-1H-benzoimidazol-5-yl)-5-m-tolyl-pyrazol-1-yl]-acetic acid
    —— 4,7-Dimethoxy-N-(1H-tetrazol-5-yl)-chinolin-carbonsaeure-(2)-amid 52143-93-8 C13H12N6O3
    4,7-Dimethoxy-N-(1H-tetrazol-5-yl)-chinolin-carbonsaeure-(2)-amid