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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methoxycarbonyl-5-(methylethyl)-1,3-oxazol-2-one 83791-41-7 C8H11NO4
    4-methoxycarbonyl-5-(methylethyl)-1,3-oxazol-2-one
    —— <4R*-(4α,5β)>-5-butyl-4-ethyl-2,2,5-trimethyl-1,3-dioxane 129064-16-0 C13H26O2
    <4R*-(4α,5β)>-5-butyl-4-ethyl-2,2,5-trimethyl-1,3-dioxane
    —— 4-[2-[2-(2-hydroxy-4-phenylbutyl)-1,3-dioxolan-2-yl]ethyl]-2-methoxyphenol 93559-22-9 C22H28O5
    4-[2-[2-(2-hydroxy-4-phenylbutyl)-1,3-dioxolan-2-yl]ethyl]-2-methoxyphenol
    —— 4-bromo-6-bromomethyl-1,3-phenylenebismethylurethane 115263-47-3 C11H12Br2N2O4
    4-bromo-6-bromomethyl-1,3-phenylenebismethylurethane
    —— 4,6-dimethyl-2-(methylthio)-1-(o-tolyl)pyrimidin-1-ium methyl sulfate 127251-57-4 CH3O4S*C14H17N2S
    4,6-dimethyl-2-(methylthio)-1-(o-tolyl)pyrimidin-1-ium methyl sulfate
    —— (4R,5R)-1-Acetoxy-4-isopropenyl-5-methyl-5-vinylcyclohex-1-ene 149404-74-0 C14H20O2
    (4R,5R)-1-Acetoxy-4-isopropenyl-5-methyl-5-vinylcyclohex-1-ene
    —— 4-(4-fluorophenyl)-7-(2-(pyridin-4-yl)ethyl)quinoline-2-carboxamide 1432730-91-0 C23H18FN3O
    4-(4-fluorophenyl)-7-(2-(pyridin-4-yl)ethyl)quinoline-2-carboxamide
    —— 4-[2-(2-Chlorophenyl)ethynyl]benzonitrile 1445990-53-3 C15H8ClN
    4-[2-(2-Chlorophenyl)ethynyl]benzonitrile
    —— 4-(4-((2-benzyl-2H-tetrazol-5-yl)methoxy)phenyl)-N-cyclohexyl-N-methyl-1H-imidazole-1-carboxamide 1356960-70-7 C26H29N7O2
    4-(4-((2-benzyl-2H-tetrazol-5-yl)methoxy)phenyl)-N-cyclohexyl-N-methyl-1H-imidazole-1-carboxamide
    —— 4-iodo-4'-(4-methoxyphenoxy)biphenyl 1438665-09-8 C19H15IO2
    4-iodo-4'-(4-methoxyphenoxy)biphenyl
    —— 4-((4-(3-propenamidophenoxy)thieno[3,2-d]pyrimidin-2-yl)amino)-2-methyl-N-(1-methaneylpiperidin-4-yl)benzamide 1353551-72-0 C29H30N6O3S
    4-((4-(3-propenamidophenoxy)thieno[3,2-d]pyrimidin-2-yl)amino)-2-methyl-N-(1-methaneylpiperidin-4-yl)benzamide
    —— 4-benzhydryl-2,3,5,6-tetrafluoroaniline 17071-40-8 C19H13F4N
    4-benzhydryl-2,3,5,6-tetrafluoroaniline
    —— 4-methyl-6-chloroacetylamino-4-hexen-2-one 128102-08-9 C9H14ClNO2
    4-methyl-6-chloroacetylamino-4-hexen-2-one
    —— 4-bromo-N-(quinolin-2-yldiazenyl)aniline 108999-38-8 C15H11BrN4
    4-bromo-N-(quinolin-2-yldiazenyl)aniline
    —— (4,5-diiodo-1H-1-yl)methyl ethyl ether 87020-15-3 C6H8I2N2O
    (4,5-diiodo-1H-1-yl)methyl ethyl ether
    —— 4-Chlor-2-cyano-6-nitro-N-n-butylanilin 55877-68-4 C11H12ClN3O2
    4-Chlor-2-cyano-6-nitro-N-n-butylanilin
    —— 4-oxo-N-[2-(4-pyridyl)phenyl]-1H-quinoline-3-carboxamide 873050-87-4 C21H15N3O2
    4-oxo-N-[2-(4-pyridyl)phenyl]-1H-quinoline-3-carboxamide
    —— 4-(p-methoxy-benzalamino)-3-methyl-5-styrylisoxazole 80650-23-3 C20H18N2O2
    4-(p-methoxy-benzalamino)-3-methyl-5-styrylisoxazole
    —— 4,9-bis((5-bromothiophen-2-yl)ethynyl)-2,7-bis(2-octyldodecyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone 1445903-17-2 C66H88Br2N2O4S2
    4,9-bis((5-bromothiophen-2-yl)ethynyl)-2,7-bis(2-octyldodecyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone
    —— 4-(4-((4'-chloro-4-(2-(pyrrolidin-1-yl)ethyl)biphenyl-2-yl)methyl)piperazin-1-yl)-2-(3-chlorophenoxy)benzoic acid 1228943-67-6 C36H37Cl2N3O3
    4-(4-((4'-chloro-4-(2-(pyrrolidin-1-yl)ethyl)biphenyl-2-yl)methyl)piperazin-1-yl)-2-(3-chlorophenoxy)benzoic acid
    —— 4-[1-(4-fluorobenzyl)-4,5-dimethoxy-1H-indol-3-yl]-2-hydroxy-4-oxobut-2-enoic acid 1269920-19-5 C21H18FNO6
    4-[1-(4-fluorobenzyl)-4,5-dimethoxy-1H-indol-3-yl]-2-hydroxy-4-oxobut-2-enoic acid
    —— 4-Hydroxy-7,8,9,10,11,12-hexahydro-1,6-dioxa-cycloocta[a]naphthalene-2,5-dione 59958-87-1 C14H14O5
    4-Hydroxy-7,8,9,10,11,12-hexahydro-1,6-dioxa-cycloocta[a]naphthalene-2,5-dione
    —— 4,6-Diacetoxy-3-(6-acetoxy-7-methoxy-1-oxo-3-pentyl-1H-isochromen-8-yloxy)-2-pentyl-benzoic acid benzyl ester 58887-76-6 C40H44O12
    4,6-Diacetoxy-3-(6-acetoxy-7-methoxy-1-oxo-3-pentyl-1H-isochromen-8-yloxy)-2-pentyl-benzoic acid benzyl ester
    —— 4-methyl-1,2-di-piperidin-1-yl-pent-1-en-3-one 52026-46-7 C16H28N2O
    4-methyl-1,2-di-piperidin-1-yl-pent-1-en-3-one
    —— 4.5-Dihydroxy-2-methylanthrachinon-9-phenylhydrazon 22414-14-8 C21H16N2O3
    4.5-Dihydroxy-2-methylanthrachinon-9-phenylhydrazon
    —— 4-benzoyloxy-5-bromo-[1,3]dioxolan-2-one 42854-86-4 C10H7BrO5
    4-benzoyloxy-5-bromo-[1,3]dioxolan-2-one
    —— 4.4.5.7.8-Pentamethyl-2.6-chromandiol 50442-69-8 C14H20O3
    4.4.5.7.8-Pentamethyl-2.6-chromandiol
    —— (4-<sup>14</sup>C)-Anilin 18973-94-9 C6H7N
    (4-<sup>14</sup>C)-Anilin
    —— 4-Nitro-benzoic acid 1-tert-butyl-1-(2,3-dimethyl-phenyl)-2,2-dimethyl-propyl ester 56437-63-9 C24H31NO4
    4-Nitro-benzoic acid 1-tert-butyl-1-(2,3-dimethyl-phenyl)-2,2-dimethyl-propyl ester
    —— 4,4-Dimethylcampesterol 57708-21-1 C30H52O
    4,4-Dimethylcampesterol
    —— 4,8-Dimethyl-9-methylene-6-phenyl-bicyclo[3.3.1]nona-3,7-dien-2-one 56174-99-3 C18H18O
    4,8-Dimethyl-9-methylene-6-phenyl-bicyclo[3.3.1]nona-3,7-dien-2-one
    —— 4-oxo-1,4-dihydro-[1,2,4]triazino[4,3-<i>b</i>]indazole-3-carboxylic acid ethyl ester 51271-69-3 C12H10N4O3
    4-oxo-1,4-dihydro-[1,2,4]triazino[4,3-<i>b</i>]indazole-3-carboxylic acid ethyl ester
    —— 4α-Acetoxy-santonin 23986-81-4 C17H18O5
    4α-Acetoxy-santonin
    —— [4-(3,4-dimethoxy-phenyl)-6-(2-hydroxy-4,6-dimethoxy-phenyl)-5-methoxy-pyrimidin-2-yl]-cyanamide 52872-82-9 C22H22N4O6
    [4-(3,4-dimethoxy-phenyl)-6-(2-hydroxy-4,6-dimethoxy-phenyl)-5-methoxy-pyrimidin-2-yl]-cyanamide
    —— (4aR,5R,8aS)-4a-Hydroxy-3,5,8a-trimethyl-4a,5,6,7,8a,9-hexahydro-naphtho[2,3-b]furan-4,8-dione 62433-74-3 C15H18O4
    (4aR,5R,8aS)-4a-Hydroxy-3,5,8a-trimethyl-4a,5,6,7,8a,9-hexahydro-naphtho[2,3-b]furan-4,8-dione
    —— (4-methoxy-phenyl)-[(phenyl-phthalimido-methyl)-imino]-acetonitrile 58784-35-3 C24H17N3O3
    (4-methoxy-phenyl)-[(phenyl-phthalimido-methyl)-imino]-acetonitrile
    —— 4-Fluoro-phenol; compound with pyridine 1-oxide 60531-58-0 C5H5NO*C6H5FO
    4-Fluoro-phenol; compound with pyridine 1-oxide
    —— 4-(3-chloro-styryl)-2-methylsulfanyl-pyrimidine 53925-09-0 C13H11ClN2S
    4-(3-chloro-styryl)-2-methylsulfanyl-pyrimidine
    —— 4-{1-[1-Cyclopentyl-meth-(E)-ylidene]-pentyl}-pyridine 53485-75-9 C16H23N
    4-{1-[1-Cyclopentyl-meth-(E)-ylidene]-pentyl}-pyridine
    —— 4-(5-Oxopyrrolidin-2-yl)benzoic acid 1314727-27-9 C11H11NO3
    4-(5-Oxopyrrolidin-2-yl)benzoic acid
    —— 4-<<4-amino-3-(methoxycarbonyl)phenyl>thio>benzoic acid 133446-92-1 C14H11NO4S
    4-<<4-amino-3-(methoxycarbonyl)phenyl>thio>benzoic acid
    —— 4-bromo-4',4''-dichloro-trityl chloride 861074-41-1 C19H12BrCl3
    4-bromo-4',4''-dichloro-trityl chloride
    —— 4-(2,5-difluorophenoxy)heptane-3,5-dione 1194545-37-3 C13H14F2O3
    4-(2,5-difluorophenoxy)heptane-3,5-dione
    —— 4-chloro-1-[(4-methoxy-benzylidene)-amino]-1H-pyrrole-2-carboxylic acid methyl ester 1208361-10-7 C14H13ClN2O3
    4-chloro-1-[(4-methoxy-benzylidene)-amino]-1H-pyrrole-2-carboxylic acid methyl ester
    —— 4-cyano-3-(4-fluoro-phenyl)-7-hydroxy-thieno[3,2-c]pyridine-6-carboxylic acid methyl ester 909011-33-2 C16H9FN2O3S
    4-cyano-3-(4-fluoro-phenyl)-7-hydroxy-thieno[3,2-c]pyridine-6-carboxylic acid methyl ester
    —— 4-fluoro-endo-6-ethoxy-1-methoxytricyclo<3.3.0.0<sup>2,8</sup>>oct-3-ene 84451-07-0 C11H15FO2
    4-fluoro-endo-6-ethoxy-1-methoxytricyclo<3.3.0.0<sup>2,8</sup>>oct-3-ene
    —— 4-Amino-2-benzyloxy-6-chlor-3-nitropyridin 52559-14-5 C12H10ClN3O3
    4-Amino-2-benzyloxy-6-chlor-3-nitropyridin
    —— 4-(5-Carboxy-pentyloxy)-benzoic acid; compound with hexane-1,6-diamine 40912-02-5 C6H16N2*C13H16O5
    4-(5-Carboxy-pentyloxy)-benzoic acid; compound with hexane-1,6-diamine
    —— 4-(5-piperidin-1-yl-1(3)<i>H</i>,1'(3')<i>H</i>-[2,5']bibenzoimidazolyl-2'-yl)-aniline 54998-20-8 C25H24N6
    4-(5-piperidin-1-yl-1(3)<i>H</i>,1'(3')<i>H</i>-[2,5']bibenzoimidazolyl-2'-yl)-aniline
    —— 4-H-Undecafluordiphenylmethan 54299-42-2 C13HF11
    4-H-Undecafluordiphenylmethan