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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5-dimethyl-7-acetoxy-8-allylcoumarin 78560-53-9 C16H16O4
    4,5-dimethyl-7-acetoxy-8-allylcoumarin
    —— 4-Nitro-benzenesulfinic acid benzyloxy-amide 42860-55-9 C13H12N2O4S
    4-Nitro-benzenesulfinic acid benzyloxy-amide
    —— 4-(2,2-Diethoxy-ethyl)-3-phenyl-3,4-dihydro-2H-benzo[1,4]thiazine 141650-39-7 C20H25NO2S
    4-(2,2-Diethoxy-ethyl)-3-phenyl-3,4-dihydro-2H-benzo[1,4]thiazine
    —— (4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methyl-tetrahydro-pyran-2-ol 263369-06-8 C22H30O3Si
    (4R,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-methyl-tetrahydro-pyran-2-ol
    —— 4-Methoxymethyl-2-methyl-hexa-4,5-dien-3-ol 90933-86-1 C9H16O2
    4-Methoxymethyl-2-methyl-hexa-4,5-dien-3-ol
    —— 4-Chloro-N-[(1S,2R)-3,3,3-trifluoro-1-(hydroxymethyl)-2-phenylpropyl]benzenesulfonamide 1104028-78-5 C16H15ClF3NO3S
    4-Chloro-N-[(1S,2R)-3,3,3-trifluoro-1-(hydroxymethyl)-2-phenylpropyl]benzenesulfonamide
    —— 4-butyrylbenzoic acid tert-butyl ester 917567-36-3 C15H20O3
    4-butyrylbenzoic acid tert-butyl ester
    —— 4-Allyloxy-pyridin-N-oxyd 6068-92-4 C8H9NO2
    4-Allyloxy-pyridin-N-oxyd
    —— (4R,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[(4-methoxyphenyl)methoxy]nonan-1-ol 902131-84-4 C23H42O4Si
    (4R,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[(4-methoxyphenyl)methoxy]nonan-1-ol
    —— 4-(2-Fluor-anilino)-2-methyl-5-ethoxycarbonyl-pyrimidin 1513-09-3 C14H14FN3O2
    4-(2-Fluor-anilino)-2-methyl-5-ethoxycarbonyl-pyrimidin
    —— 4-[(1E)-3,3-Dimethyltriaz-1-en-1-yl]-N-(pyrimidin-2-yl)benzene-1-sulfonamide 49638-47-3 C12H14N6O2S
    4-[(1E)-3,3-Dimethyltriaz-1-en-1-yl]-N-(pyrimidin-2-yl)benzene-1-sulfonamide
    —— 4-[(trimethylsilyl)ethynyl]dithiobenzoic acid 2-(trimethylsilyl)ethyl ester 947495-11-6 C17H26S2Si2
    4-[(trimethylsilyl)ethynyl]dithiobenzoic acid 2-(trimethylsilyl)ethyl ester
    —— (4S)-4-benzyl-3-[(3S)-3-[tert-butyl(dimethyl)silyl]oxypent-4-enoyl]-1,3-oxazolidin-2-one 1039357-69-1 C21H31NO4Si
    (4S)-4-benzyl-3-[(3S)-3-[tert-butyl(dimethyl)silyl]oxypent-4-enoyl]-1,3-oxazolidin-2-one
    —— 4-[2-(4-{[2-(4-Chloro-phenoxy)-ethyl]-methyl-amino}-6-piperazin-1-yl-[1,3,5]triazin-2-ylamino)-ethyl]-phenol 478625-69-3 C24H30ClN7O2
    4-[2-(4-{[2-(4-Chloro-phenoxy)-ethyl]-methyl-amino}-6-piperazin-1-yl-[1,3,5]triazin-2-ylamino)-ethyl]-phenol
    —— (4-Brom-tetrafluorphenyl)-(tetrafluor-4-methoxy-phenyl)-ether 20867-92-9 C13H3BrF8O2
    (4-Brom-tetrafluorphenyl)-(tetrafluor-4-methoxy-phenyl)-ether
    —— 4-[(E)-2-(3,5-dihydroxyphenyl)vinyl]-7-hydroxychromen-2-one 1234330-85-8 C17H12O5
    4-[(E)-2-(3,5-dihydroxyphenyl)vinyl]-7-hydroxychromen-2-one
    —— [4R,3(3R)]-3-(4-benzyloxy-3-methylbutanoyl)-4-phenyl-2-oxazolidinone 1041325-06-7 C21H23NO4
    [4R,3(3R)]-3-(4-benzyloxy-3-methylbutanoyl)-4-phenyl-2-oxazolidinone
    —— 4-(5,6-dihydro-1,4,2-dioxazin-3-yl)-N-[(4,6-dimethoxypyrimidin-2-yl)carbamoyl]pyridine-3-sulfonamide 1253051-04-5 C15H16N6O7S
    4-(5,6-dihydro-1,4,2-dioxazin-3-yl)-N-[(4,6-dimethoxypyrimidin-2-yl)carbamoyl]pyridine-3-sulfonamide
    —— 4-Pyridin-3-yl-6-trifluoromethyl-2H-phthalazin-1-one 166765-60-2 C14H8F3N3O
    4-Pyridin-3-yl-6-trifluoromethyl-2H-phthalazin-1-one
    —— [(4R,6S,9R,10R)-4,9-bis[[tert-butyl(dimethyl)silyl]oxy]-10-[(4-methoxyphenyl)methoxy]tetradec-1-en-6-yl]oxy-tert-butyl-dimethylsilane 902131-90-2 C40H78O5Si3
    [(4R,6S,9R,10R)-4,9-bis[[tert-butyl(dimethyl)silyl]oxy]-10-[(4-methoxyphenyl)methoxy]tetradec-1-en-6-yl]oxy-tert-butyl-dimethylsilane
    —— 4-Benzoimidazol-1-ylmethyl-benzoic acid hydrazide 870766-46-4 C15H14N4O
    4-Benzoimidazol-1-ylmethyl-benzoic acid hydrazide
    —— (4aS,10aS)-1,2,3,4,4a,9,10,10a-Octahydro-6-hydroxy-7-isopropenyl-1,1,4a-trimethylphenanthrene 303962-64-3 C20H28O
    (4aS,10aS)-1,2,3,4,4a,9,10,10a-Octahydro-6-hydroxy-7-isopropenyl-1,1,4a-trimethylphenanthrene
    —— 4-(1-Adamantylmethyl)cyclohexan-1-amine; sulfuric acid 37875-13-1 C17H31NO4S
    4-(1-Adamantylmethyl)cyclohexan-1-amine; sulfuric acid
    —— 4-[(2-Phenylcyclopent-2-en-1-yl)amino]benzonitrile 1642594-54-4 C18H16N2
    4-[(2-Phenylcyclopent-2-en-1-yl)amino]benzonitrile
    —— (4aS,10aS)-1,2,3,4,4a,10a-Hexahydro-6-methoxy-1,1,4a-trimethylphenanthrene 10064-28-5 C18H24O
    (4aS,10aS)-1,2,3,4,4a,10a-Hexahydro-6-methoxy-1,1,4a-trimethylphenanthrene
    —— (4R,10bR)-2-(4-Nitro-phenyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester 121994-40-9 C21H18N4O5
    (4R,10bR)-2-(4-Nitro-phenyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester
    —— 4-(Pentadecafluoroheptyl)phenol 57578-99-1 C13H5F15O
    4-(Pentadecafluoroheptyl)phenol
    —— 4-tert-Butyl-5-chloro-2-methylcyclopent-4-ene-1,3-dione 74987-54-5 C10H13ClO2
    4-tert-Butyl-5-chloro-2-methylcyclopent-4-ene-1,3-dione
    —— 4-carbamoyl-3-ethyl-1-methylimidazolium-5-olate 82439-77-8 C7H11N3O2
    4-carbamoyl-3-ethyl-1-methylimidazolium-5-olate
    —— 4-(5,6-dihydro-1,4,2-dioxazin-3-yl)pyridine-3-sulfonamide 1253052-37-7 C8H9N3O4S
    4-(5,6-dihydro-1,4,2-dioxazin-3-yl)pyridine-3-sulfonamide
    —— (4R,10bR)-2-(4-Methoxy-phenyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester 121994-44-3 C22H21N3O4
    (4R,10bR)-2-(4-Methoxy-phenyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester
    —— 4-Ethyl-4-hydroxy-6-methyl-1,7-dihydropyrano[3,4-c]pyridine-3,8-dione 37069-33-3 C11H13NO4
    4-Ethyl-4-hydroxy-6-methyl-1,7-dihydropyrano[3,4-c]pyridine-3,8-dione
    —— (4R,10bR)-2-Trichloromethyl-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester 121994-30-7 C16H14Cl3N3O3
    (4R,10bR)-2-Trichloromethyl-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester
    —— 4-(5-(difluoromethyl)-1,2,4-oxadiazol-3-yl)butanoic acid 1314887-40-5 C7H8F2N2O3
    4-(5-(difluoromethyl)-1,2,4-oxadiazol-3-yl)butanoic acid
    —— (4R,10bR)-4,5,10,10b-Tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-2,4-dicarboxylic acid diethyl ester 121994-31-8 C18H19N3O5
    (4R,10bR)-4,5,10,10b-Tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-2,4-dicarboxylic acid diethyl ester
    —— 4-Nitro-benzoic acid 2-methyl-bicyclo[2.2.1]hept-2-yl ester 92647-40-0 C15H17NO4
    4-Nitro-benzoic acid 2-methyl-bicyclo[2.2.1]hept-2-yl ester
    —— (4R,10bR)-2-(4-Formyl-phenyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester 121994-41-0 C22H19N3O4
    (4R,10bR)-2-(4-Formyl-phenyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester
    —— (4R,10bR)-2-(1-Cyano-2,2-bis-methylsulfanyl-vinyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester 121994-29-4 C20H20N4O3S2
    (4R,10bR)-2-(1-Cyano-2,2-bis-methylsulfanyl-vinyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester
    —— (4R,10bR)-2-(1-Methyl-1-phenyl-ethyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester 121994-22-7 C24H25N3O3
    (4R,10bR)-2-(1-Methyl-1-phenyl-ethyl)-4,5,10,10b-tetrahydro-3-oxa-1,3a,10-triaza-cyclopenta[a]fluorene-4-carboxylic acid ethyl ester
    —— 4-benzyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine 40132-11-4 C16H18N2
    4-benzyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine
    —— 4-(2-Chloro-2-methoxycarbonyl-ethyl)-benzoic acid ethyl ester 136472-25-8 C13H15ClO4
    4-(2-Chloro-2-methoxycarbonyl-ethyl)-benzoic acid ethyl ester
    —— (4-methoxyphenyl)-[(Z)-2-[4-[(Z)-2-[(4-methoxyphenyl)-dimethylsilyl]ethenyl]phenyl]ethenyl]-dimethylsilane 850636-01-0 C28H34O2Si2
    (4-methoxyphenyl)-[(Z)-2-[4-[(Z)-2-[(4-methoxyphenyl)-dimethylsilyl]ethenyl]phenyl]ethenyl]-dimethylsilane
    —— 4,4-Dimethyl-2-(4-pentyl-phenyl)-4,5-dihydro-oxazole 186962-73-2 C16H23NO
    4,4-Dimethyl-2-(4-pentyl-phenyl)-4,5-dihydro-oxazole
    —— 4,5-Dimethoxytricyclo[6.3.2.02,7]trideca-2,4,6-triene-10-carbaldehyde 1009632-50-1 C16H20O3
    4,5-Dimethoxytricyclo[6.3.2.02,7]trideca-2,4,6-triene-10-carbaldehyde
    —— 4-(N-(2-(3-carboxylphenylamino)-2-oxoethyl)sulfamoyl)benzamidinium trifluoroacetate 1403957-87-8 C2HF3O2*C16H16N4O5S
    4-(N-(2-(3-carboxylphenylamino)-2-oxoethyl)sulfamoyl)benzamidinium trifluoroacetate
    —— 4-Amino-2-methylmercapto-1-methyl-imidazol-carbonsaeure-(5)-aethylester 62382-55-2 C8H13N3O2S
    4-Amino-2-methylmercapto-1-methyl-imidazol-carbonsaeure-(5)-aethylester
    —— 4-[2-(1-methyl-4-imidazolesulfonyl)aminoethyl]phenoxyacetic acid 137048-76-1 C14H17N3O5S
    4-[2-(1-methyl-4-imidazolesulfonyl)aminoethyl]phenoxyacetic acid
    —— 4-Amino-1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrazolo[3,4-d]pyrimidine-3-carboximidamide 55559-51-8 C11H15N7O4
    4-Amino-1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrazolo[3,4-d]pyrimidine-3-carboximidamide
    —— (4,5,7-Trimethoxy-naphthalen-2-yl)-methanol 194157-31-8 C14H16O4
    (4,5,7-Trimethoxy-naphthalen-2-yl)-methanol
    —— (4S,5S)-1-t-butoxycarbonyl-5-t-butyldimethylsiloxymethyl-4-methyl-2-pyrrolidone 149053-03-2 C17H33NO4Si
    (4S,5S)-1-t-butoxycarbonyl-5-t-butyldimethylsiloxymethyl-4-methyl-2-pyrrolidone