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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Octanoylamido-dodecanon-(5) 7769-49-5 C20H39NO2
    4-Octanoylamido-dodecanon-(5)
    —— 4,8-dihexyl-2,2,6,6-tetramethylbenzo[1,2-d:4,5-d']bis([1,3]dioxole) 1609067-71-1 C24H38O4
    4,8-dihexyl-2,2,6,6-tetramethylbenzo[1,2-d:4,5-d']bis([1,3]dioxole)
    —— 4-(4-Chlorophenyl)-5-methyl-2-(6-methylpyridin-2-yl)quinazoline 1375370-95-8 C21H16ClN3
    4-(4-Chlorophenyl)-5-methyl-2-(6-methylpyridin-2-yl)quinazoline
    —— 4-[(4-methylphenylamino)methylideneamino]-3-phenylfuroxan 1561016-01-0 C16H14N4O2
    4-[(4-methylphenylamino)methylideneamino]-3-phenylfuroxan
    —— (4S,6S)-4-(5-((5-chloropyrimidin-2-yl)ethynyl)-2-fluoro-4-methylphenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine 1620827-92-0 C19H15ClF4N4O
    (4S,6S)-4-(5-((5-chloropyrimidin-2-yl)ethynyl)-2-fluoro-4-methylphenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine
    —— 4-[(6,7-Dimethoxy-4-quinazolinyl)oxy]-N-3-pyridinylbenzeneacetamide 883986-71-8 C23H20N4O4
    4-[(6,7-Dimethoxy-4-quinazolinyl)oxy]-N-3-pyridinylbenzeneacetamide
    —— 4-Butyl-cyclohexanecarboxylic acid 4'-cyano-3'-methyl-biphenyl-4-yl ester 104582-78-7 C25H29NO2
    4-Butyl-cyclohexanecarboxylic acid 4'-cyano-3'-methyl-biphenyl-4-yl ester
    —— 4-Acetyl-2-benzoyl-5-oxo-3-phenyl-hexanenitrile 136773-42-7 C21H19NO3
    4-Acetyl-2-benzoyl-5-oxo-3-phenyl-hexanenitrile
    —— 4-Acetyl-5-hydroxy-2-methyl-6,11-dioxo-6,11-dihydro-anthra[1,2-b]furan-3-carboxylic acid ethyl ester 112447-95-7 C22H16O7
    4-Acetyl-5-hydroxy-2-methyl-6,11-dioxo-6,11-dihydro-anthra[1,2-b]furan-3-carboxylic acid ethyl ester
    —— 4-Chlor-2-<4'-(5.7-dimethyl-benzoxazol-2-yl)-stilben-4-yl>-5-phenyl-2H-1.2.3-triazol 65204-17-3 C31H23ClN4O
    4-Chlor-2-<4'-(5.7-dimethyl-benzoxazol-2-yl)-stilben-4-yl>-5-phenyl-2H-1.2.3-triazol
    —— (4-iodophenyl)phosphinic acid ethyl ester 885511-67-1 C8H10IO2P
    (4-iodophenyl)phosphinic acid ethyl ester
    —— 4-[6-chloro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl]piperazin-1-carboxylic acid benzyl ester 1339955-99-5 C24H27ClN4O3
    4-[6-chloro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-3-yl]piperazin-1-carboxylic acid benzyl ester
    —— 4-Methyl-1-seleno-cumarin 21554-07-4 C10H8OSe
    4-Methyl-1-seleno-cumarin
    —— 4-(propane-1-sulfonylmethyl)-3H-thiazole-2-thione 89775-60-0 C7H11NO2S3
    4-(propane-1-sulfonylmethyl)-3H-thiazole-2-thione
    —— 4-deacetyl-4-acryloyl-7-O-triethylsilylbaccatin III 172482-21-2 C38H52O11Si
    4-deacetyl-4-acryloyl-7-O-triethylsilylbaccatin III
    —— 4-phenyl-3,4,6,7-tetrahydrocyclopenta[b]pyran-2(5H)-one 1191118-38-3 C14H14O2
    4-phenyl-3,4,6,7-tetrahydrocyclopenta[b]pyran-2(5H)-one
    —— 4-cyclopropyl-1-{[(2S)-pyrrolidin-2-yl]methyl}-1H-1,2,3-triazole 1820575-98-1 C10H16N4
    4-cyclopropyl-1-{[(2S)-pyrrolidin-2-yl]methyl}-1H-1,2,3-triazole
    —— 4-(1,4-Diacetoxy-3-bromo-naphthalen-2-yl)-butyric acid methyl ester 74422-55-2 C19H19BrO6
    4-(1,4-Diacetoxy-3-bromo-naphthalen-2-yl)-butyric acid methyl ester
    —— 4-{(E)-[3,5-diethyl-4-(methoxymethoxy)]vinyl}-2,6-dimethylnitrobenzene 1313376-37-2 C22H27NO4
    4-{(E)-[3,5-diethyl-4-(methoxymethoxy)]vinyl}-2,6-dimethylnitrobenzene
    —— 4-(7-benzenesulfonyl-5-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester 853680-16-7 C22H27N5O4S
    4-(7-benzenesulfonyl-5-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester
    —— 4-Chlor-2,N-di-<xanthyl-(9)>-anilin 33564-57-7 C32H22ClNO2
    4-Chlor-2,N-di-<xanthyl-(9)>-anilin
    —— 4-[(4-Methoxyphenyl)methyl]-3-oxo-2-oxa-4-azabicyclo[3.2.2]nonane-1-carboxylic acid 1228150-08-0 C16H19NO5
    4-[(4-Methoxyphenyl)methyl]-3-oxo-2-oxa-4-azabicyclo[3.2.2]nonane-1-carboxylic acid
    —— (4-chloro-phenyl)-(4-oxy-morpholin-4-yl)-acetonitrile 71819-02-8 C12H13ClN2O2
    (4-chloro-phenyl)-(4-oxy-morpholin-4-yl)-acetonitrile
    —— (4Z,7Z,10Z,13Z,16Z,19Z)-N-[3-(1-methylpyrrolidin-2-yl)propyl]docosahexaenoamide 479411-56-8 C30H48N2O
    (4Z,7Z,10Z,13Z,16Z,19Z)-N-[3-(1-methylpyrrolidin-2-yl)propyl]docosahexaenoamide
    —— 4'a,9'b-dibromospiro[1-benzothiophene-2,2'-3,4-dihydro-[1]benzothiolo[3,2-b]pyran]-3-one 79000-12-7 C18H12Br2O2S2
    4'a,9'b-dibromospiro[1-benzothiophene-2,2'-3,4-dihydro-[1]benzothiolo[3,2-b]pyran]-3-one
    —— 4-chloro-2,3,5,6-tetradeuteriophenol 285132-91-4 C6H5ClO
    4-chloro-2,3,5,6-tetradeuteriophenol
    —— 4,5,7-tri-O-acetyl-2,6-anhydro-3-deoxy-D-lyxo-hept-2-enit 153565-56-1 C13H18O8
    4,5,7-tri-O-acetyl-2,6-anhydro-3-deoxy-D-lyxo-hept-2-enit
    —— 4-(acetyl-ethoxycarbonylmethyl-amino)-butyric acid ethyl ester 100453-76-7 C12H21NO5
    4-(acetyl-ethoxycarbonylmethyl-amino)-butyric acid ethyl ester
    —— 4-[4-(chloromethyl)benzyl]-2-methyl-1-nitrobenzene 1072801-03-6 C15H14ClNO2
    4-[4-(chloromethyl)benzyl]-2-methyl-1-nitrobenzene
    —— {4-[3-(β-D-ribofuranosyl)propyl]imidazolyl}methyl 2,2-dimethylpropionate 1346144-33-9 C17H28N2O6
    {4-[3-(β-D-ribofuranosyl)propyl]imidazolyl}methyl 2,2-dimethylpropionate
    —— 4-Methyl-3-oxo-pentanoic acid [2-(2,4-dichloro-phenoxy)-ethyl]-amide 1047641-65-5 C14H17Cl2NO3
    4-Methyl-3-oxo-pentanoic acid [2-(2,4-dichloro-phenoxy)-ethyl]-amide
    —— 4-chloro-N-(2-(4-(N-(((1r,4r)-4-methylcyclohexyl)carbamoyl)sulfamoyl)phenyl)butyl)benzamide 25257-24-3 C25H32ClN3O4S
    4-chloro-N-(2-(4-(N-(((1r,4r)-4-methylcyclohexyl)carbamoyl)sulfamoyl)phenyl)butyl)benzamide
    —— (4-methoxy-indol-3-yl)-glyoxylic acid dimethylamide 108239-35-6 C13H14N2O3
    (4-methoxy-indol-3-yl)-glyoxylic acid dimethylamide
    —— 4-pentenyl (methyl 3,4-di-O-benzyl-α-L-idopyranosyluronate)-(1-4)-(2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-(methyl 3-O-benzyl-α-L-idopyranosyluronate)-(1-4)-(2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-(methyl 3-O-benzyl-α-L-idopyranosyluronate)-(1-4)-(2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-(methyl 3-O-benzyl-α-L-idopyranosyluronate)-(1-4)-3-O-benzyl-2-deoxy-2-[(benzyloxy)carbonyl]amino-β-D-glucopyranoside 1266660-67-6 C128H148N10O43
    4-pentenyl (methyl 3,4-di-O-benzyl-α-L-idopyranosyluronate)-(1-4)-(2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-(methyl 3-O-benzyl-α-L-idopyranosyluronate)-(1-4)-(2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-(methyl 3-O-benzyl-α-L-idopyranosyluronate)-(1-4)-(2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-(methyl 3-O-benzyl-α-L-idopyranosyluronate)-(1-4)-3-O-benzyl-2-deoxy-2-[(benzyloxy)carbonyl]amino-β-D-glucopyranoside
    —— 4,7-Dichloro-3-iodo-1H-indazole 1000341-96-7 C7H3Cl2IN2
    4,7-Dichloro-3-iodo-1H-indazole
    —— 4,4-Dinitro-crotonsaeure-amid 30718-82-2 C4H4N3O5*K
    4,4-Dinitro-crotonsaeure-amid
    —— 4-(N-difluoromethyl-1,2-dihydropyrid-2-one-4-yl)-2-methoxycarbonylbenzenesulfonamide 1202366-64-0 C14H12F2N2O5S
    4-(N-difluoromethyl-1,2-dihydropyrid-2-one-4-yl)-2-methoxycarbonylbenzenesulfonamide
    —— 4-(2-Carboxyethylcarbamoyl)benzenediazonium;methanesulfonate 949145-65-7 CH3O3S*C10H10N3O3
    4-(2-Carboxyethylcarbamoyl)benzenediazonium;methanesulfonate
    —— 4-[4-(3-fluoro-4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester 1196484-88-4 C21H24FN5O5S
    4-[4-(3-fluoro-4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid isopropyl ester
    —— 4-methoxy-3-(p-tolylthio)-1H-indole 1622221-66-2 C16H15NOS
    4-methoxy-3-(p-tolylthio)-1H-indole
    —— 4-oxo-dehydro-α-ionone mono ethylene glycol acetal 77704-80-4 C15H24O3
    4-oxo-dehydro-α-ionone mono ethylene glycol acetal
    —— 4-benzyl-2-(4-fluorophenyl)-1H-imidazole 1242419-74-4 C16H13FN2
    4-benzyl-2-(4-fluorophenyl)-1H-imidazole
    —— 4-(4-(6-chloropyridin-2-yl)-6-(isopropylamino )-1,3,5-triazin-2-ylamino)picolinonitrile 1446501-83-2 C17H15ClN8
    4-(4-(6-chloropyridin-2-yl)-6-(isopropylamino )-1,3,5-triazin-2-ylamino)picolinonitrile
    —— 4-cyclopropyl-3-(4-(5-hydroxy-2-azaadamantan-2-yl)-4-oxobutan-2-yl)-1H-indole-2-carbonitrile 1448698-76-7 C25H29N3O2
    4-cyclopropyl-3-(4-(5-hydroxy-2-azaadamantan-2-yl)-4-oxobutan-2-yl)-1H-indole-2-carbonitrile
    —— 4,6'-dimethoxy-6-methyl-3,4'-dioxo-(3'ar,7'ξO)-3'a,4'-dihydro-3H,3'H-spiro[benzofuran-2,7'-indazole]-7'ac-carboxylic acid methyl ester 110532-43-9 C19H18N2O7
    4,6'-dimethoxy-6-methyl-3,4'-dioxo-(3'ar,7'ξO)-3'a,4'-dihydro-3H,3'H-spiro[benzofuran-2,7'-indazole]-7'ac-carboxylic acid methyl ester
    —— 4-Amino-2-[(methylsulfonyl)amino]-1H-benzimidazole 208773-06-2 C8H10N4O2S
    4-Amino-2-[(methylsulfonyl)amino]-1H-benzimidazole
    —— 4-((4-chlorobenzyl)oxy)-1-(2-(2-methoxyethyl)-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one 1447911-59-2 C23H22ClN3O3
    4-((4-chlorobenzyl)oxy)-1-(2-(2-methoxyethyl)-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one
    —— 4-Methoxy-benzoic acid 1,2-bis-(4-methoxy-benzoyl)-3-methyl-diaziridin-3-ylmethyl ester 110955-20-9 C27H26N2O7
    4-Methoxy-benzoic acid 1,2-bis-(4-methoxy-benzoyl)-3-methyl-diaziridin-3-ylmethyl ester
    —— 4'-({4-[trans-4-(2-hydroxyethoxy)cyclohexyl]-5-oxo-7-propyl-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}methyl)biphenyl-2-carbonitrile 1239270-56-4 C30H33N5O3
    4'-({4-[trans-4-(2-hydroxyethoxy)cyclohexyl]-5-oxo-7-propyl-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}methyl)biphenyl-2-carbonitrile
    —— 4,5-dimethyl-2-(3-fluorophenyl)oxazol 3-oxide hydrochloride 932727-10-1 C11H10FNO2*ClH
    4,5-dimethyl-2-(3-fluorophenyl)oxazol 3-oxide hydrochloride