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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(4"-methylbenzenesulfenyl)-2-(4'-methylbenzenesulfonyl)-5-exo-nitro-3-oxo-2-azabicyclo<2.2.2>oct-7-ene 141725-50-0 C21H20N2O5S2
    4-(4"-methylbenzenesulfenyl)-2-(4'-methylbenzenesulfonyl)-5-exo-nitro-3-oxo-2-azabicyclo<2.2.2>oct-7-ene
    —— 4"-O-benzoyl-8,9-anhydroerythromycin A 6,9-hemiacetal 110479-68-0 C44H69NO13
    4"-O-benzoyl-8,9-anhydroerythromycin A 6,9-hemiacetal
    —— (4S,5S)-(+)-4,5-Bis(methoxymethyl)-2-tert-butyl-2-methyl-1,3-dioxolane 79449-89-1 C12H24O4
    (4S,5S)-(+)-4,5-Bis(methoxymethyl)-2-tert-butyl-2-methyl-1,3-dioxolane
    —— (4aS,11bR)-4a-Ethyl-11-vinyl-1,3,4,4a,5,11b-hexahydro-2H-pyrido[2',3':3,4]pyrrolo[1,2-a]indole 97720-71-3 C18H22N2
    (4aS,11bR)-4a-Ethyl-11-vinyl-1,3,4,4a,5,11b-hexahydro-2H-pyrido[2',3':3,4]pyrrolo[1,2-a]indole
    —— (4aS,10aS)-1,4a-dimethyl-3,4,6,7,8,9,10,10a-octahydrobenzo[8]annulen-5-one 92119-34-1 C14H22O
    (4aS,10aS)-1,4a-dimethyl-3,4,6,7,8,9,10,10a-octahydrobenzo[8]annulen-5-one
    —— (4aS,10aS)-4,4a,6,7,8,9,10,10a-octahydro-3H-benzo[8]annulen-5-one 92119-29-4 C12H18O
    (4aS,10aS)-4,4a,6,7,8,9,10,10a-octahydro-3H-benzo[8]annulen-5-one
    —— (4aS,10aS)-4a-methyl-3,4,6,7,8,9,10,10a-octahydrobenzo[8]annulen-5-one 92119-32-9 C13H20O
    (4aS,10aS)-4a-methyl-3,4,6,7,8,9,10,10a-octahydrobenzo[8]annulen-5-one
    —— 4",11-di-O-benzoyl-8,9-anhydroerythromycin A 6,9-hemiacetal 110479-76-0 C51H73NO14
    4",11-di-O-benzoyl-8,9-anhydroerythromycin A 6,9-hemiacetal
    —— (4R,8S,9E,11S)-4,8-dimethyl-6,14-dioxo-8-hydroxy-11-isopropyl-9-pentadecen-4-olide 98064-80-3 C20H32O5
    (4R,8S,9E,11S)-4,8-dimethyl-6,14-dioxo-8-hydroxy-11-isopropyl-9-pentadecen-4-olide
    —— 4-(tert-Butyldimethylsilyloxy)-5,6-(3-methoxybenzo)bicyclo<8.3.0>trideca-1(13),5,9-triene-2,7-diyne 179129-19-2 C24H28O2Si
    4-(tert-Butyldimethylsilyloxy)-5,6-(3-methoxybenzo)bicyclo<8.3.0>trideca-1(13),5,9-triene-2,7-diyne
    —— 4",11-di-O-toluenesulfonyl-8,9-anhydroerythromycin A 6,9-hemiacetal 110479-78-2 C51H77NO16S2
    4",11-di-O-toluenesulfonyl-8,9-anhydroerythromycin A 6,9-hemiacetal
    —— 4",11-di-O-acetyl-8,9-anhydroerythromycin A 6,9-hemiacetal 110479-73-7 C41H69NO14
    4",11-di-O-acetyl-8,9-anhydroerythromycin A 6,9-hemiacetal
    —— 4-(2,6-diiodo-4-methylphenoxy)phenol 57864-15-0 C13H10I2O2
    4-(2,6-diiodo-4-methylphenoxy)phenol
    —— (+/-)-(4S<sup>*</sup>,5S<sup>*</sup>)-2,5-bis<(tert-butyldimethylsilyl)oxy>-4-hydroxy-6-methylenecyclohex-2-en-1-one 89773-36-4 C19H36O4Si2
    (+/-)-(4S<sup>*</sup>,5S<sup>*</sup>)-2,5-bis<(tert-butyldimethylsilyl)oxy>-4-hydroxy-6-methylenecyclohex-2-en-1-one
    —— 4,4-dimethylandrost-5-en-17-one 6560-99-2 C21H32O
    4,4-dimethylandrost-5-en-17-one
    —— (4S,5S)-(-)-4,5-Bis(methoxymethyl)-2-ethyl-2-methyl-1,3-dioxolane 79449-88-0 C10H20O4
    (4S,5S)-(-)-4,5-Bis(methoxymethyl)-2-ethyl-2-methyl-1,3-dioxolane
    —— 4,4-Dimethyl-5α-androst-8(14)-en-17-on 66500-27-4 C21H32O
    4,4-Dimethyl-5α-androst-8(14)-en-17-on
    —— 4.4'-Dichlor-dibenzylquecksilber 10507-42-3 C14H12Cl2Hg
    4.4'-Dichlor-dibenzylquecksilber
    —— 4-Isocyanato-1-methyl-cyclohexene 59477-63-3 C8H11NO
    4-Isocyanato-1-methyl-cyclohexene
    —— [4-(1-Cyclopropylethylidene)cyclohexa-2,5-dien-1-ylidene]-methyloxidanium 15810-35-2 C12H15O
    [4-(1-Cyclopropylethylidene)cyclohexa-2,5-dien-1-ylidene]-methyloxidanium
    —— 4,6-Dibrom-7-methoxy-2-(2-propenyloxymethylen)-1-indanon 125715-03-9 C14H12Br2O3
    4,6-Dibrom-7-methoxy-2-(2-propenyloxymethylen)-1-indanon
    —— 4-cyano-5-chlorothiazole 1006047-45-5 C4HClN2S
    4-cyano-5-chlorothiazole
    —— 4-Pyrimidinamine, 2-(1H-pyrrol-1-yl)- 1314353-76-8 C8H8N4
    4-Pyrimidinamine, 2-(1H-pyrrol-1-yl)-
    —— 4-(3-Fluoro-5-nitrophenyl)benzoic acid 1437794-79-0 C13H8FNO4
    4-(3-Fluoro-5-nitrophenyl)benzoic acid
    —— (4-phenyl-1,3-butadiynyl)tributylstannane 125358-13-6 C22H32Sn
    (4-phenyl-1,3-butadiynyl)tributylstannane
    —— 4-Bromooxane-4-carboxylic acid 1803600-06-7 C6H9BrO3
    4-Bromooxane-4-carboxylic acid
    —— 4-Dodecylcyclohexane-1-carboxylic acid 871325-02-9 C19H36O2
    4-Dodecylcyclohexane-1-carboxylic acid
    —— 4-(1-o-Tolyl-ethyl)-phenol 35770-76-4 C15H16O
    4-(1-o-Tolyl-ethyl)-phenol
    —— 4-chloro-5H,6H,7H-pyrimido[4,5-b][1,4]thiazin-6-one 20015-70-7 C6H4ClN3OS
    4-chloro-5H,6H,7H-pyrimido[4,5-b][1,4]thiazin-6-one
    —— 4-Fluorobicyclo<2.2.1>heptan-1-ol 84553-46-8 C7H11FO
    4-Fluorobicyclo<2.2.1>heptan-1-ol
    —— 4,5,10,11-Tetrahydroxy-beta-bisabolene 122470-42-2 C15H28O4
    4,5,10,11-Tetrahydroxy-beta-bisabolene
    —— (4S)-4-((1R,2S)-2-Hydroxy-1,4-dimethyl-3-cyclohexen-1-yl)-3-(hydroxymethyl)-4-methyl-2-cyclopenten-1-one 104903-79-9 C15H22O3
    (4S)-4-((1R,2S)-2-Hydroxy-1,4-dimethyl-3-cyclohexen-1-yl)-3-(hydroxymethyl)-4-methyl-2-cyclopenten-1-one
    —— (4S,5S,6R)-6-((Z)-2-Methoxycarbonyl-1-phenyl-propenyl)-1-methyl-1,4,5,6-tetrahydro-pyridazine-4,5-dicarboxylic acid dimethyl ester 89088-12-0 C20H24N2O6
    (4S,5S,6R)-6-((Z)-2-Methoxycarbonyl-1-phenyl-propenyl)-1-methyl-1,4,5,6-tetrahydro-pyridazine-4,5-dicarboxylic acid dimethyl ester
    —— 4-Oxo-pentanoic acid (2R,3S,4R,5R,6S)-4-benzyloxy-2-benzyloxymethyl-5-(5,6-dichloro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-3-yl ester 202864-97-9 C35H31Cl5N2O9
    4-Oxo-pentanoic acid (2R,3S,4R,5R,6S)-4-benzyloxy-2-benzyloxymethyl-5-(5,6-dichloro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-3-yl ester
    —— 4-acetoxyrudmollin 76467-16-8 C17H24O5
    4-acetoxyrudmollin
    —— 4-Isopropylsulfanylamino-benzoic acid tert-butyl ester 129666-08-6 C14H21NO2S
    4-Isopropylsulfanylamino-benzoic acid tert-butyl ester
    —— (4aα,6β,8aβ)-1-hydroxymethyl-5(R)-[2-(3-furanyl)ethyl]-5,6,8a-trimethyl-3,4,4a,5,6,7,8,8a-octahydronaphthalene 213020-07-6 C20H30O2
    (4aα,6β,8aβ)-1-hydroxymethyl-5(R)-[2-(3-furanyl)ethyl]-5,6,8a-trimethyl-3,4,4a,5,6,7,8,8a-octahydronaphthalene
    —— 4-methyl-1-methylenespiro[4.6]undecan-2-one 557785-45-2 C13H20O
    4-methyl-1-methylenespiro[4.6]undecan-2-one
    —— 4-Oximino-2-oxo-2H-1-benzothiopyran 359842-83-4 C10H7NO2S
    4-Oximino-2-oxo-2H-1-benzothiopyran
    —— 4-Methylsulfanylamino-benzoic acid tert-butyl ester 129666-06-4 C12H17NO2S
    4-Methylsulfanylamino-benzoic acid tert-butyl ester
    —— (4aα,6β,8aβ)-5(R)-[2-(3-furanyl)ethyl]-1,5,6,8a-tetramethyl-3,4,4a,5,6,7,8,8a-octahydronaphthalene 213020-08-7 C20H30O
    (4aα,6β,8aβ)-5(R)-[2-(3-furanyl)ethyl]-1,5,6,8a-tetramethyl-3,4,4a,5,6,7,8,8a-octahydronaphthalene
    —— 4-tert-Butylsulfanylamino-benzoic acid tert-butyl ester 129666-09-7 C15H23NO2S
    4-tert-Butylsulfanylamino-benzoic acid tert-butyl ester
    —— 4,4-diphenyl-2-(methylphenylamino)-1-isopropyl-2-imidazoline-5-thione 124512-41-0 C25H25N3S
    4,4-diphenyl-2-(methylphenylamino)-1-isopropyl-2-imidazoline-5-thione
    —— (4bR,4cR,9bS,9cR)-9-Methoxy-4b,4c,9b-trimethyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one 85749-79-7 C21H20O2
    (4bR,4cR,9bS,9cR)-9-Methoxy-4b,4c,9b-trimethyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one
    —— 4-(2,3-dimethoxy-6,7-dihydro-5H-benzocyclohepten-8-ylcarbonyl)-1-(3,4,5-trimethoxybenzyl)piperazine-2-carboxylic acid 129799-50-4 C29H36N2O8
    4-(2,3-dimethoxy-6,7-dihydro-5H-benzocyclohepten-8-ylcarbonyl)-1-(3,4,5-trimethoxybenzyl)piperazine-2-carboxylic acid
    —— 4-(1-Hydroxy-2-phenoxyethyl)phenol 82246-94-4 C14H14O3
    4-(1-Hydroxy-2-phenoxyethyl)phenol
    —— 4α-Acetoxy-5α-hydroxy-cholestan 5748-95-8 C29H50O3
    4α-Acetoxy-5α-hydroxy-cholestan
    —— [(4S)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-quinolin-4-ylmethanol —— C19H22N2O
    [(4S)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl]-quinolin-4-ylmethanol
    —— (4S,5R)-4,5-Dimethyl-2-(propan-2-yl)-1,3,2-dioxaborinane 87687-10-3 C8H17BO2
    (4S,5R)-4,5-Dimethyl-2-(propan-2-yl)-1,3,2-dioxaborinane
    —— (4S,5S)-4,5-Dimethyl-2-(propan-2-yl)-1,3,2-dioxaborinane 87687-09-0 C8H17BO2
    (4S,5S)-4,5-Dimethyl-2-(propan-2-yl)-1,3,2-dioxaborinane