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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(cyclohex-1-en-1-yl)-5,7-dimethoxyquinoline 1217436-74-2 C17H19NO2
    4-(cyclohex-1-en-1-yl)-5,7-dimethoxyquinoline
    —— 4-(3'-acetoxy-4'-methoxyphenyl)-5,6,7-trimethoxycoumarin 1152029-69-0 C21H20O8
    4-(3'-acetoxy-4'-methoxyphenyl)-5,6,7-trimethoxycoumarin
    —— 4-((7-(4-fluorobenzylamino)-2,4-dioxo-1,2-dihydroquinazolin-3(4H)-yl)methyl)-N-(5-chlorothiophen-2-ylsulfonyl)benzamide 849793-61-9 C27H20ClFN4O5S2
    4-((7-(4-fluorobenzylamino)-2,4-dioxo-1,2-dihydroquinazolin-3(4H)-yl)methyl)-N-(5-chlorothiophen-2-ylsulfonyl)benzamide
    —— (4-isopropyl-piperazin-1-yl)-(3-piperidin-3-yl-1H-indol-6-yl)-methanone 1005457-22-6 C21H30N4O
    (4-isopropyl-piperazin-1-yl)-(3-piperidin-3-yl-1H-indol-6-yl)-methanone
    —— 4-hydroxy-N-(6-hydroxy-1,3-benzothiazol-2-yl)benzamide 1361252-81-4 C14H10N2O3S
    4-hydroxy-N-(6-hydroxy-1,3-benzothiazol-2-yl)benzamide
    —— 4-(4-chlorophenyl)-N-((5-cyclopropylisoxazol-3-yl)methyl)-5-(2,2,2-trifluoroethoxy)picolinamide 1364675-33-1 C21H17ClF3N3O3
    4-(4-chlorophenyl)-N-((5-cyclopropylisoxazol-3-yl)methyl)-5-(2,2,2-trifluoroethoxy)picolinamide
    —— 4,4,5,5-tetramethyl-2-(2-methyl-pentyl)-[1,3,2]dioxaborolane 1203488-28-1 C12H25BO2
    4,4,5,5-tetramethyl-2-(2-methyl-pentyl)-[1,3,2]dioxaborolane
    —— 4-chloro-5-((1,2,3,4,5,8-hexahydro-6-methoxyisoquinolin-1-yl)methyl)benzene-1,2-diol 886836-03-9 C17H20ClNO3
    4-chloro-5-((1,2,3,4,5,8-hexahydro-6-methoxyisoquinolin-1-yl)methyl)benzene-1,2-diol
    —— (4S,5S)-3-[4-(3,5-difluoro-benzyl)-5-iodomethyl-2,2-dimethyl-oxazolidine-3-carbonyl]-5-methyl-N,N-dipropyl-benzamide 881424-37-9 C28H35F2IN2O3
    (4S,5S)-3-[4-(3,5-difluoro-benzyl)-5-iodomethyl-2,2-dimethyl-oxazolidine-3-carbonyl]-5-methyl-N,N-dipropyl-benzamide
    —— 4-bromo-3,6-dihydroxy-5-oxo-cyclohepta-1,3,6-trienecarboxylic acid 858466-90-7 C8H5BrO5
    4-bromo-3,6-dihydroxy-5-oxo-cyclohepta-1,3,6-trienecarboxylic acid
    —— 4-iodomethyl-2-(3-methoxyphenyl)-5-trifluoromethyloxazole 752212-66-1 C12H9F3INO2
    4-iodomethyl-2-(3-methoxyphenyl)-5-trifluoromethyloxazole
    —— 4,4''-dichloro-2'-iodo-2,6,2'',6''-tetramethyl-1,1':3',1''-terphenyl 1318253-20-1 C22H19Cl2I
    4,4''-dichloro-2'-iodo-2,6,2'',6''-tetramethyl-1,1':3',1''-terphenyl
    —— 4-[3-(6-sulphamoyl-quinolin-2-yl)-acryloyl]-benzoic acid 867166-62-9 C19H14N2O5S
    4-[3-(6-sulphamoyl-quinolin-2-yl)-acryloyl]-benzoic acid
    —— ((4aR,5aS,6aR,8S,10S,10aS,11aR,12aS)-10-Benzyloxy-2,2,10a-trimethyl-dodecahydro-1,3,5,7,11-pentaoxa-naphthacen-8-ylmethoxy)-tert-butyl-diphenyl-silane 170707-20-7 C40H52O7Si
    ((4aR,5aS,6aR,8S,10S,10aS,11aR,12aS)-10-Benzyloxy-2,2,10a-trimethyl-dodecahydro-1,3,5,7,11-pentaoxa-naphthacen-8-ylmethoxy)-tert-butyl-diphenyl-silane
    —— 4-Benzyl-3-methyl-thiophenol 96987-38-1 C14H14S
    4-Benzyl-3-methyl-thiophenol
    —— 4-<3-(5-methyl-1,2,4-oxadiazolyl)>-2,6-dimethylphenol 156787-42-7 C11H12N2O2
    4-<3-(5-methyl-1,2,4-oxadiazolyl)>-2,6-dimethylphenol
    —— (4-sulfamoyl-anilino)-malonic acid 4475-22-3 C9H10N2O6S
    (4-sulfamoyl-anilino)-malonic acid
    —— (4S)-4-[(benzyloxycarbonyl)amino]-tetrahydro-2-methyl-3-oxo-1(2H)-pyridazinecarboxamide 1417900-15-2 C14H18N4O4
    (4S)-4-[(benzyloxycarbonyl)amino]-tetrahydro-2-methyl-3-oxo-1(2H)-pyridazinecarboxamide
    —— 4-Ethyl-2-oxo-1-oxa-3,8-diaza-spiro[4.5]decane-8-carboxylic acid benzyl ester 79053-13-7 C17H22N2O4
    4-Ethyl-2-oxo-1-oxa-3,8-diaza-spiro[4.5]decane-8-carboxylic acid benzyl ester
    —— 4-propylpiperazine-1-carbothioamide 953891-67-3 C8H17N3S
    4-propylpiperazine-1-carbothioamide
    —— 4-(2-chloroprop-2-enoxy)thiochromen-2-one 126480-20-4 C12H9ClO2S
    4-(2-chloroprop-2-enoxy)thiochromen-2-one
    —— 4-(2-isopropylsulfanyl-imidazol-1-yl)-phenol 68337-61-1 C12H14N2OS
    4-(2-isopropylsulfanyl-imidazol-1-yl)-phenol
    —— 4-{1-ethyl-1-[4-(1-hydroxy-cyclopentylethynyl)-3-methyl-phenyl]-propyl}-2-methyl-benzoic acid methyl ester 853247-88-8 C28H34O3
    4-{1-ethyl-1-[4-(1-hydroxy-cyclopentylethynyl)-3-methyl-phenyl]-propyl}-2-methyl-benzoic acid methyl ester
    —— 4ξ-bromo-17a-hydroxy-D-homo-5β,17aβH-pregnane-3,11,20-trione 124263-26-9 C22H31BrO4
    4ξ-bromo-17a-hydroxy-D-homo-5β,17aβH-pregnane-3,11,20-trione
    —— 4-Phenyl-1-(o-tolyl)-pyrazol-3-yl-essigsaeure 64989-50-0 C18H16N2O2
    4-Phenyl-1-(o-tolyl)-pyrazol-3-yl-essigsaeure
    —— 4-oxo-10-cyclohexanecarboxamido-4H-pyrimido[1,2-C]quinazoline-3-carboxylic acid 79690-53-2 C19H18N4O4
    4-oxo-10-cyclohexanecarboxamido-4H-pyrimido[1,2-C]quinazoline-3-carboxylic acid
    —— (4-(phenylethynyl)tetrahydro-2H-pyran-4-yl)methanol 1613074-06-8 C14H16O2
    (4-(phenylethynyl)tetrahydro-2H-pyran-4-yl)methanol
    —— 4-methyl-N-(1-phenylbutylidene)benzenesulfonamide 1002116-08-6 C17H19NO2S
    4-methyl-N-(1-phenylbutylidene)benzenesulfonamide
    —— {4-[(3R,4R,5S)-3-[4-(3-methoxypropyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]-1-(toluene-4-sulphonyl)-5-triisopropylsilanyloxypiperidin-4-yl]phenyl}acetonitrile 912346-58-8 C42H59N3O6SSi
    {4-[(3R,4R,5S)-3-[4-(3-methoxypropyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]-1-(toluene-4-sulphonyl)-5-triisopropylsilanyloxypiperidin-4-yl]phenyl}acetonitrile
    —— 4-acetonylthio-1-<hydroxy-(t-butoxycarbonyl)methyl>-azetidin-2-one 74480-48-1 C12H19NO5S
    4-acetonylthio-1-<hydroxy-(t-butoxycarbonyl)methyl>-azetidin-2-one
    —— (4R,5S)-4-(3,4-dimethoxyphenyl)-5-((S)-(3,4-dimethoxyphenyl)(hydroxy)methyl)dihydrofuran-2(3H)-one 1537880-79-7 C21H24O7
    (4R,5S)-4-(3,4-dimethoxyphenyl)-5-((S)-(3,4-dimethoxyphenyl)(hydroxy)methyl)dihydrofuran-2(3H)-one
    —— [4-((1S,2R)-2-Benzenesulfonyl-cyclopropyl)-phenyl]-dimethyl-amine 86432-55-5 C17H19NO2S
    [4-((1S,2R)-2-Benzenesulfonyl-cyclopropyl)-phenyl]-dimethyl-amine
    —— 4-[2-(3,4-dimethoxy-phenyl)-thiazol-4-yl]-aniline; monohydrochloride 58424-61-6 C17H16N2O2S*ClH
    4-[2-(3,4-dimethoxy-phenyl)-thiazol-4-yl]-aniline; monohydrochloride
    —— 4-(4-acetylpiperazin-1-yl)-2-[2-(4-dimethylaminophenyl)pyrrolidin-1-yl]-8-propan-2-yl-3,5,8-triazabicyclo[4.3.0]nona-1,3,5-trien-7-one 1079658-46-0 C27H37N7O2
    4-(4-acetylpiperazin-1-yl)-2-[2-(4-dimethylaminophenyl)pyrrolidin-1-yl]-8-propan-2-yl-3,5,8-triazabicyclo[4.3.0]nona-1,3,5-trien-7-one
    —— 4,7-dibromo-decane-5,6-dione 103392-64-9 C10H16Br2O2
    4,7-dibromo-decane-5,6-dione
    —— 4-nitrophenylthio 4,7,8,9-tetra-O-acetyl-5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranosylonate α(2-6) 1,2:3,4-di-O-isopropylidene-α-D-galactopyranoside 1055325-53-5 C37H48N2O19S
    4-nitrophenylthio 4,7,8,9-tetra-O-acetyl-5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranosylonate α(2-6) 1,2:3,4-di-O-isopropylidene-α-D-galactopyranoside
    —— 4-<2-(Diethylamino)ethoxy>-1,2-dimethyl-3-<(Z)-6-(tetrahydro-2H-pyranyloxy)-3-hexen-1-yl>-1,4-cyclohexadien 120385-61-7 C25H43NO3
    4-<2-(Diethylamino)ethoxy>-1,2-dimethyl-3-<(Z)-6-(tetrahydro-2H-pyranyloxy)-3-hexen-1-yl>-1,4-cyclohexadien
    —— 4-chloro-2-fluoro-N-methyl-6-[(2-{[5-(methyloxy)-1-(1-pyrrolidinylacetyl)-2,3-dihydro-1H-indol-6-yl]amino}-1H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]benzamide 1116237-90-1 C29H30ClFN8O3
    4-chloro-2-fluoro-N-methyl-6-[(2-{[5-(methyloxy)-1-(1-pyrrolidinylacetyl)-2,3-dihydro-1H-indol-6-yl]amino}-1H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]benzamide
    —— 4-(3-{[(2-trifluoromethylphenyl)sulfonyl]amino}pyrazin-2-yl)benzoic acid 913321-92-3 C18H12F3N3O4S
    4-(3-{[(2-trifluoromethylphenyl)sulfonyl]amino}pyrazin-2-yl)benzoic acid
    —— 4-Difluoromethoxy-3-(2,2,2-trifluoroethoxy)benzoic acid 162401-64-1 C10H7F5O4
    4-Difluoromethoxy-3-(2,2,2-trifluoroethoxy)benzoic acid
    —— 4-amino-5-(3-pyridin-3-ylprop-2-enyl)-6-chloropyrimidine 454685-46-2 C12H11ClN4
    4-amino-5-(3-pyridin-3-ylprop-2-enyl)-6-chloropyrimidine
    —— 4-amino-6-(4-isobutoxyphenyl)-2-methoxy-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one 1236408-86-8 C18H22N4O3
    4-amino-6-(4-isobutoxyphenyl)-2-methoxy-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one
    —— 4-(5-acetyloxindol-3-yl)-6-methoxy-7-(2-methoxyethoxy)quinazoline 774520-19-3 C22H21N3O5
    4-(5-acetyloxindol-3-yl)-6-methoxy-7-(2-methoxyethoxy)quinazoline
    —— 4-{4-[2-(4-fluorophenyl)ethyl]pyridin-2-yl}-3-hydroxy-1-isopropyl-1,5-dihydropyrrol-2-one 500368-20-7 C20H21FN2O2
    4-{4-[2-(4-fluorophenyl)ethyl]pyridin-2-yl}-3-hydroxy-1-isopropyl-1,5-dihydropyrrol-2-one
    —— 4,5-dimethyl-2-isopropyl-1,3,2-dioxaborinane 95093-67-7 C8H17BO2
    4,5-dimethyl-2-isopropyl-1,3,2-dioxaborinane
    —— 4-hydroxy-N,N,N,8,8-pentamethyl-7-(phenylmethoxy)-3,5,9-trioxa-4-phosphapentacosan-1-aminium 4-oxide, hydroxide 97150-23-7 C33H62NO6P
    4-hydroxy-N,N,N,8,8-pentamethyl-7-(phenylmethoxy)-3,5,9-trioxa-4-phosphapentacosan-1-aminium 4-oxide, hydroxide
    —— 4,8,12-tri(p-toluenesulfonyl)-4,8,12-triazapentadecane-1,15-diol 76980-34-2 C33H47N3O8S3
    4,8,12-tri(p-toluenesulfonyl)-4,8,12-triazapentadecane-1,15-diol
    —— 4-[2-(4-fluoro-phenoxy)-4-methyl-7-oxo-7H-pyrido[2,3-d]pyrimidin-8-yl]-N-(4-methanesulfonyl-benzyl)-benzamide 583877-58-1 C29H23FN4O5S
    4-[2-(4-fluoro-phenoxy)-4-methyl-7-oxo-7H-pyrido[2,3-d]pyrimidin-8-yl]-N-(4-methanesulfonyl-benzyl)-benzamide
    —— 4-Brom-3,5-dichlor-pyridazin 5997-05-7 C4HBrCl2N2
    4-Brom-3,5-dichlor-pyridazin
    —— 4-Ethyl-1-<2-(1(H)-indol-3-yl)-ethyl>-3-(1,3-dimethyl-4,5-diphenylimidazolidin-2-yl)-1,4-dihydropyridine 136573-95-0 C34H38N4
    4-Ethyl-1-<2-(1(H)-indol-3-yl)-ethyl>-3-(1,3-dimethyl-4,5-diphenylimidazolidin-2-yl)-1,4-dihydropyridine