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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methyl-1-(2-methylpyridin-3-yl)-[1,2,4]triazolo[4,3-a]quinoxaline 1417410-89-9 C16H13N5
    4-methyl-1-(2-methylpyridin-3-yl)-[1,2,4]triazolo[4,3-a]quinoxaline
    —— 4-phenyl-<i>cis</i>-crotonic acid 62115-14-4 C10H10O2
    4-phenyl-<i>cis</i>-crotonic acid
    —— 4,8-dihydroxy-3-methyl-4-(1,4,8-trimethoxy-3-methyl-2-naphthyl)-2-<(1,4,8-trimethoxy-3-methyl-2-naphthyl)methyl>-1(4H)-naphthalenone 217174-82-8 C40H40O9
    4,8-dihydroxy-3-methyl-4-(1,4,8-trimethoxy-3-methyl-2-naphthyl)-2-<(1,4,8-trimethoxy-3-methyl-2-naphthyl)methyl>-1(4H)-naphthalenone
    —— (4R,5R)-5-hexyl-4-hydroxydihydrofuran-2(3H)-one 145285-57-0 C10H18O3
    (4R,5R)-5-hexyl-4-hydroxydihydrofuran-2(3H)-one
    —— (4R,5R)-5-[(Z)-hex-1-enyl]-4-hydroxydihydrofuran-2(3H)-one 1402044-04-5 C10H16O3
    (4R,5R)-5-[(Z)-hex-1-enyl]-4-hydroxydihydrofuran-2(3H)-one
    —— 4-methyl-1-phenyl-[1,2,4]triazolo[4,3-a]quinoxaline 19848-92-1 C16H12N4
    4-methyl-1-phenyl-[1,2,4]triazolo[4,3-a]quinoxaline
    —— 4-carboxy-3-methyl-6,7-methylenedioxyisocoumarin 78873-84-4 C12H8O6
    4-carboxy-3-methyl-6,7-methylenedioxyisocoumarin
    —— 4-(Benzenesulfonyl)-7-chloro-5,10-dioxo-phenazin-2-ol 26422-71-9 C18H11ClN2O5S+2
    4-(Benzenesulfonyl)-7-chloro-5,10-dioxo-phenazin-2-ol
    —— 4-(2,2,2-trifluoroethyl)phenol 86571-21-3 C8H7F3O
    4-(2,2,2-trifluoroethyl)phenol
    —— (4R,5R)-4-hydroxy-5-[(Z)-oct-1-enyl]dihydrofuran-2(3H)-one 1402044-00-1 C12H20O3
    (4R,5R)-4-hydroxy-5-[(Z)-oct-1-enyl]dihydrofuran-2(3H)-one
    —— 4,5-Dimethoxy-2-[2-(4-methoxyphenyl)-2-oxoethyl]benzoic acid 140136-16-9 C18H18O6
    4,5-Dimethoxy-2-[2-(4-methoxyphenyl)-2-oxoethyl]benzoic acid
    —— 4-methyl-thiobenzoic acid methylamide 62926-02-7 C9H11NS
    4-methyl-thiobenzoic acid methylamide
    —— 4-oxo-2-phenyl-pentane-1,1,3-tricarboxylic acid triethyl ester 62558-70-7 C20H26O7
    4-oxo-2-phenyl-pentane-1,1,3-tricarboxylic acid triethyl ester
    —— 4-(4,4-dimethyl-4,5-dihydroxazol-2-yl)-5-methoxy-naphthalen-1-ol 379733-62-7 C16H17NO3
    4-(4,4-dimethyl-4,5-dihydroxazol-2-yl)-5-methoxy-naphthalen-1-ol
    —— 4,5-methylenedioxy-2-(2-oxopentyl)benzoic acid 482351-03-1 C13H14O5
    4,5-methylenedioxy-2-(2-oxopentyl)benzoic acid
    —— 4-(anilinomethylene)-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinoline-1,3-dione 143370-26-7 C19H18N2O4
    4-(anilinomethylene)-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinoline-1,3-dione
    —— 4-(p-fluorophenyl)-4-dimethylaminocyclohexan-1-one, ethylene ketal 65618-75-9 C16H22FNO2
    4-(p-fluorophenyl)-4-dimethylaminocyclohexan-1-one, ethylene ketal
    —— 4-isocyanato-4-(o-tolyl)cyclohexanone, ethylene ketal 65619-12-7 C16H19NO3
    4-isocyanato-4-(o-tolyl)cyclohexanone, ethylene ketal
    —— 4-(m-anisyl)-4-isocyanatocyclohexanone, ethylene ketal 65618-95-3 C16H19NO4
    4-(m-anisyl)-4-isocyanatocyclohexanone, ethylene ketal
    —— 4-bromomethyl-1-ethyl-1H-pyrrolo[2,3-b]pyridine 1268516-17-1 C10H11BrN2
    4-bromomethyl-1-ethyl-1H-pyrrolo[2,3-b]pyridine
    —— 4'-[1-hydroxy-2-methyl-1-(1-trityl-1H-imidazol-4-yl)propyl]-N-methyl[1,1'-biphenyl]-3-carboxamide 337535-71-4 C40H37N3O2
    4'-[1-hydroxy-2-methyl-1-(1-trityl-1H-imidazol-4-yl)propyl]-N-methyl[1,1'-biphenyl]-3-carboxamide
    —— 4,5-Oxohexenoate 74923-21-0 C6H8O3
    4,5-Oxohexenoate
    —— 4-Pentene-2,3-diol, 5-chloro-3-ethynyl- 74107-07-6 C7H9ClO2
    4-Pentene-2,3-diol, 5-chloro-3-ethynyl-
    —— 4-(p-bromophenyl)-4-dimethylaminocyclohexan-1-one. ethylene ketal 71368-46-2 C16H22BrNO2
    4-(p-bromophenyl)-4-dimethylaminocyclohexan-1-one. ethylene ketal
    —— (4-butoxy-phenyl)-[2]furyl ketone 100976-20-3 C15H16O3
    (4-butoxy-phenyl)-[2]furyl ketone
    —— 4-t-butoxycarbonyl-2-[2-(4-phenylbutyl)phenoxymethyl]morpholine 167142-74-7 C26H35NO4
    4-t-butoxycarbonyl-2-[2-(4-phenylbutyl)phenoxymethyl]morpholine
    —— 4-fluoro-3-dimethylaminosulfonylbenzyl alcohol 381229-73-8 C9H12FNO3S
    4-fluoro-3-dimethylaminosulfonylbenzyl alcohol
    —— 4-(3,4-Dichlorphenyl)-4-dimethylaminocyclohexanon 65619-54-7 C14H17Cl2NO
    4-(3,4-Dichlorphenyl)-4-dimethylaminocyclohexanon
    —— 4,4-dimethyl-2-trimethylstannanyl-4,5-dihydroxazole 109660-08-4 C8H17NOSn
    4,4-dimethyl-2-trimethylstannanyl-4,5-dihydroxazole
    —— 4-fluoro-3-dimethylaminosulfonylbenzaldehyde 381229-76-1 C9H10FNO3S
    4-fluoro-3-dimethylaminosulfonylbenzaldehyde
    —— 4-fluoro-3-sulfinobenzoic acid 190595-03-0 C7H5FO4S
    4-fluoro-3-sulfinobenzoic acid
    —— 4-phenylsulfanyl-4H-isochromene-1,3-dione 205812-79-9 C15H10O3S
    4-phenylsulfanyl-4H-isochromene-1,3-dione
    —— 4-fluoro-3-(3-hydroxypyrrolidin-1-yl)sulfonyl-N-(3,4,5-trifluorophenyl)benzamide 1445790-79-3 C17H14F4N2O4S
    4-fluoro-3-(3-hydroxypyrrolidin-1-yl)sulfonyl-N-(3,4,5-trifluorophenyl)benzamide
    —— (4-Butoxy-phenyl)-[2]furyl-methanol 101088-99-7 C15H18O3
    (4-Butoxy-phenyl)-[2]furyl-methanol
    —— 4-(2-fluoro-4-(2-(isoindolin-2-yl)-2-oxoethyl)phenyl)phthalazin-1(2H)-one 1620222-77-6 C24H18FN3O2
    4-(2-fluoro-4-(2-(isoindolin-2-yl)-2-oxoethyl)phenyl)phthalazin-1(2H)-one
    —— 4-(p-Bromphenyl)-2-carbomethoxy-4-cyano-cyclohexanon 65619-24-1 C15H14BrNO3
    4-(p-Bromphenyl)-2-carbomethoxy-4-cyano-cyclohexanon
    —— 4-phenoxy-2-phenylpyridine 33399-34-7 C17H13NO
    4-phenoxy-2-phenylpyridine
    —— 4-(3,4-diaminophenyl)-2,6-dimethyl-3,5-bis(methoxycarbonyl)-1,4-dihydropyridine 121497-15-2 C17H21N3O4
    4-(3,4-diaminophenyl)-2,6-dimethyl-3,5-bis(methoxycarbonyl)-1,4-dihydropyridine
    —— 4-(m-tolyl)-4-isocyanatocyclohexanone ethylene ketal 73312-20-6 C16H19NO3
    4-(m-tolyl)-4-isocyanatocyclohexanone ethylene ketal
    —— 4-((2-Oxo-3-bornylidene)methyl)-phenyltrimethylammonium methylsulfate 118139-95-0 C21H31NO5S
    4-((2-Oxo-3-bornylidene)methyl)-phenyltrimethylammonium methylsulfate
    —— (4-cyclobutylpiperazin-1-yl)(7-(methylsulfonyl)-7-azaspiro-[3.5]nonan-2-yl)methanone 1227609-54-2 C18H31N3O3S
    (4-cyclobutylpiperazin-1-yl)(7-(methylsulfonyl)-7-azaspiro-[3.5]nonan-2-yl)methanone
    —— 4,4-Difluororetinyl acetate 90660-22-3 C20H28F2O
    4,4-Difluororetinyl acetate
    —— 4-(3,4-Dimethoxyphenyl)-4-dimethylaminocyclohexanon 65618-80-6 C16H23NO3
    4-(3,4-Dimethoxyphenyl)-4-dimethylaminocyclohexanon
    —— 4,4-Difluororetinyl palmitate 90660-23-4 C36H58F2O2
    4,4-Difluororetinyl palmitate
    —— 4-(1-Hydroxy-1,3-dihydro-benzo[c][1,2]oxaborol-6-ylsulfamoyl)-piperidine-1-carboxylic acid benzyl ester 1196150-83-0 C20H23BN2O6S
    4-(1-Hydroxy-1,3-dihydro-benzo[c][1,2]oxaborol-6-ylsulfamoyl)-piperidine-1-carboxylic acid benzyl ester
    —— 4-(4-Butoxyphenyl)piperidine 622386-84-9 C15H23NO
    4-(4-Butoxyphenyl)piperidine
    —— 4-ethyl-2,3,6-trimethylpyrylium cation 62025-85-8 C10H15O
    4-ethyl-2,3,6-trimethylpyrylium cation
    —— 4-[(4-chlorobutyl)sulphonyl]-1,1,1,2-tetrafluoro-2-(trifluoromethyl)butane 1353008-99-7 C9H12ClF7O2S
    4-[(4-chlorobutyl)sulphonyl]-1,1,1,2-tetrafluoro-2-(trifluoromethyl)butane
    —— 4-<1-(4-chlorobenzyl)-4-methyl-6-hydroxy-4,5-dihydro-1H-thiopyrano<2,3,4-c,d>indol-2-yl>-3,3-dimethylbutyronitrile 150461-17-9 C24H25ClN2OS
    4-<1-(4-chlorobenzyl)-4-methyl-6-hydroxy-4,5-dihydro-1H-thiopyrano<2,3,4-c,d>indol-2-yl>-3,3-dimethylbutyronitrile
    —— 4-Methyl-Δ<sup>4</sup>-tetrahydrophthalsaeure-diisobutylester 93541-57-2 C17H28O4
    4-Methyl-Δ<sup>4</sup>-tetrahydrophthalsaeure-diisobutylester