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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5-dichloro-2-((6-methyl-2-p-tolyl-imidazo[1,2-a]pyridin-3-yl)methyl)pyridazin-3(2H)-one 1197847-31-6 C20H16Cl2N4O
    4,5-dichloro-2-((6-methyl-2-p-tolyl-imidazo[1,2-a]pyridin-3-yl)methyl)pyridazin-3(2H)-one
    —— 4-{6-amino-5-[(1R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]pyridin-3-yl}-N-[2-(dimethylamino)ethyl]-N-methylbenzamide 877399-81-0 C25H27Cl2FN4O2
    4-{6-amino-5-[(1R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]pyridin-3-yl}-N-[2-(dimethylamino)ethyl]-N-methylbenzamide
    —— 4-O-benzoyl-1-O-(6-aminohexanoyl)-2,3,5,6-tetra-O-[8-[bis-(3-N,N'-di-Boc-guanidino-propyl)-amino]-octanoyl]-scyllo-inositol 1321592-16-8 C163H287N29O44
    4-O-benzoyl-1-O-(6-aminohexanoyl)-2,3,5,6-tetra-O-[8-[bis-(3-N,N'-di-Boc-guanidino-propyl)-amino]-octanoyl]-scyllo-inositol
    —— 4-(difluoromethylene)-4,5-dihydro-3-(2,4,6-trimethylphenyl)isoxazole 105493-01-4 C13H13F2NO
    4-(difluoromethylene)-4,5-dihydro-3-(2,4,6-trimethylphenyl)isoxazole
    —— 4-{1-[4-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)thiazol-2-yl]piperidin-4-ylamino}butyric acid trifluoroacetate 1314084-56-4 C2HF3O2*C26H37N3O2S
    4-{1-[4-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)thiazol-2-yl]piperidin-4-ylamino}butyric acid trifluoroacetate
    —— 4-O-benzyl-3-O-(benzyloxymethyl)-5-deoxy-2-C-methyl-2-O-methyl-L-ribose 97562-18-0 C22H28O5
    4-O-benzyl-3-O-(benzyloxymethyl)-5-deoxy-2-C-methyl-2-O-methyl-L-ribose
    —— (4R)-2-[4-(benzyloxy)butyl]-4-(tert-butyldimethylsilyloxy)-2-cyclopenten-1-one 333968-39-1 C22H34O3Si
    (4R)-2-[4-(benzyloxy)butyl]-4-(tert-butyldimethylsilyloxy)-2-cyclopenten-1-one
    —— 4-diphenylphosphinoyl-5-hydroxy-4-methyloctan-2-one ethylene acetal 89839-73-6 C23H31O4P
    4-diphenylphosphinoyl-5-hydroxy-4-methyloctan-2-one ethylene acetal
    —— 4-chloro-2-hydroxy-3-methoxy-5-oxo-2,5-dihydro-furan-2-carboxylic acid-(3,4,5-trichloro-2,6-dimethoxy-phenyl ester) 857819-95-5 C14H10Cl4O8
    4-chloro-2-hydroxy-3-methoxy-5-oxo-2,5-dihydro-furan-2-carboxylic acid-(3,4,5-trichloro-2,6-dimethoxy-phenyl ester)
    —— 4-homoadamantyl mesylate 166384-43-6 C12H20O3S
    4-homoadamantyl mesylate
    —— 4-Phenyl-4-aza-Δ<sup>5</sup>-androsten-3-one-17β-ol,17-acetate 41094-54-6 C26H33NO3
    4-Phenyl-4-aza-Δ<sup>5</sup>-androsten-3-one-17β-ol,17-acetate
    —— 4-Phenyl-5-(2-propyl-1H-indol-3-ylmethyl)-4H-[1,2,4]triazole-3-thiol 77919-73-4 C20H20N4S
    4-Phenyl-5-(2-propyl-1H-indol-3-ylmethyl)-4H-[1,2,4]triazole-3-thiol
    —— 4,4'-Bis-[(E)-2-(4-benzenesulfonyl-phenyl)-vinyl]-biphenyl 37421-50-4 C40H30O4S2
    4,4'-Bis-[(E)-2-(4-benzenesulfonyl-phenyl)-vinyl]-biphenyl
    —— [4-(2-Diethylamino-ethoxy)-phenyl]-(4-trifluoromethyl-phenyl)-methanone 804-12-6 C20H22F3NO2
    [4-(2-Diethylamino-ethoxy)-phenyl]-(4-trifluoromethyl-phenyl)-methanone
    —— 4-[1,3]Dioxolan-2-yl-heptane-1,7-diamine 36394-39-5 C10H22N2O2
    4-[1,3]Dioxolan-2-yl-heptane-1,7-diamine
    —— 4'-isopropyl-3-methylflavone-8-carboxylic acid N-n-hexylamide 90102-30-0 C26H31NO3
    4'-isopropyl-3-methylflavone-8-carboxylic acid N-n-hexylamide
    —— 4-chloro-5,6,7,8-tetrahydrodibenzo[a,c]cyclooctene 90011-68-0 C16H15Cl
    4-chloro-5,6,7,8-tetrahydrodibenzo[a,c]cyclooctene
    —— 4-amino-2,3-dihydro-2-methyl-6-thioxo-6H-thiopyrano[4,3-b]furan-7-carbonitrile 1222510-81-7 C9H8N2OS2
    4-amino-2,3-dihydro-2-methyl-6-thioxo-6H-thiopyrano[4,3-b]furan-7-carbonitrile
    —— (4-Chloro-3-trifluoromethyl-phenyl)-thiocarbamic acid O-phenyl ester 14353-05-0 C14H9ClF3NOS
    (4-Chloro-3-trifluoromethyl-phenyl)-thiocarbamic acid O-phenyl ester
    —— 4-Benzyloxy-6-chloro-2,3-dihydrofuro<2,3-b>quinoline 90713-60-3 C18H14ClNO2
    4-Benzyloxy-6-chloro-2,3-dihydrofuro<2,3-b>quinoline
    —— 4-acetoxyxanthone 87504-15-2 C15H10O4
    4-acetoxyxanthone
    —— 4-(hydroxymethyl)-2-oxa-1,5-diazabicyclo-<5,2,1>dec-5-ene-3,9,10-trione 21031-10-7 C8H8N2O5
    4-(hydroxymethyl)-2-oxa-1,5-diazabicyclo-<5,2,1>dec-5-ene-3,9,10-trione
    —— 4-(2-chloro-10-oxo-10<i>H</i>-10λ<sup>4</sup>-thioxanthen-9-ylidene)-1-methyl-piperidine 16386-66-6 C19H18ClNOS
    4-(2-chloro-10-oxo-10<i>H</i>-10λ<sup>4</sup>-thioxanthen-9-ylidene)-1-methyl-piperidine
    —— 4-(benzhydrylsulfonylamino)-N-(oxan-2-yloxy)pyridine-2-carboxamide 1431470-50-6 C24H25N3O5S
    4-(benzhydrylsulfonylamino)-N-(oxan-2-yloxy)pyridine-2-carboxamide
    —— 4-chloro-5-cyclooctylideneaminooxycarbonylamino-2-phenyl-2<i>H</i>-pyridazin-3-one 21413-11-6 C19H21ClN4O3
    4-chloro-5-cyclooctylideneaminooxycarbonylamino-2-phenyl-2<i>H</i>-pyridazin-3-one
    —— 4-(4-(1-(4-(cyanomethyl)-1-(cyclopropylsulfonyl)piperidin-4-yl)-1H-pyrazol-4-yl)pyrimidin-2-ylamino)benzamide 1153935-99-9 C24H26N8O3S
    4-(4-(1-(4-(cyanomethyl)-1-(cyclopropylsulfonyl)piperidin-4-yl)-1H-pyrazol-4-yl)pyrimidin-2-ylamino)benzamide
    —— 4-{(2E)-2-[6-Amino-2-(methylsulfanyl)-4-oxopyrimidin-5(4H)-ylidene]hydrazinyl}-N-(1,3-thiazol-2-yl)benzene-1-sulfonamide 17174-60-6 C14H13N7O3S3
    4-{(2E)-2-[6-Amino-2-(methylsulfanyl)-4-oxopyrimidin-5(4H)-ylidene]hydrazinyl}-N-(1,3-thiazol-2-yl)benzene-1-sulfonamide
    —— (4E)-4-[(2-chloro-4-nitrophenyl)hydrazono]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothioamide 26179-09-9 C11H9ClN6O3S
    (4E)-4-[(2-chloro-4-nitrophenyl)hydrazono]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothioamide
    —— 4-Methyl-6-(2-nitro-phenylsulfanyl)-2-phenyl-pyrimidine-5-carbonyl chloride 1026914-38-4 C18H12ClN3O3S
    4-Methyl-6-(2-nitro-phenylsulfanyl)-2-phenyl-pyrimidine-5-carbonyl chloride
    —— 4,6-Bis-trichloromethyl-1H-[1,3,5]triazin-2-one; compound with 1-ethyl-piperidine 92168-22-4 C5HCl6N3O*C7H15N
    4,6-Bis-trichloromethyl-1H-[1,3,5]triazin-2-one; compound with 1-ethyl-piperidine
    —— 4-Brom-4-<4-tert-butyl-phenyl>-pyrrolidin-trion-(2,3,5) 108540-59-6 C14H14BrNO3
    4-Brom-4-<4-tert-butyl-phenyl>-pyrrolidin-trion-(2,3,5)
    —— 4-Cyano-7-phenyl-7H-benzofuran-6,6-dicarboxylic acid dimethyl ester 121909-97-5 C19H15NO5
    4-Cyano-7-phenyl-7H-benzofuran-6,6-dicarboxylic acid dimethyl ester
    —— 4-[2-(4-Methoxy-benzyl)-piperidin-1-yl]-butan-1-ol 69724-67-0 C17H27NO2
    4-[2-(4-Methoxy-benzyl)-piperidin-1-yl]-butan-1-ol
    —— 4-(5-phenylfuran-2-yl)benzonitrile 860700-89-6 C17H11NO
    4-(5-phenylfuran-2-yl)benzonitrile
    —— [4-[2-(4-carbonisocyanatidoyloxyphenyl)propan-2-yl]phenyl] N-(oxomethylidene)carbamate 53660-28-9 C19H14N2O6
    [4-[2-(4-carbonisocyanatidoyloxyphenyl)propan-2-yl]phenyl] N-(oxomethylidene)carbamate
    —— 4-methyl-7-{3-[4-(4-methylphenyl)piperazin-1-yl]propoxy}-2H-chromen-2-one 1314133-70-4 C24H28N2O3
    4-methyl-7-{3-[4-(4-methylphenyl)piperazin-1-yl]propoxy}-2H-chromen-2-one
    —— 4-(methylsulfinyl)-4'-(methylthio)biphenyl 225519-90-4 C14H14OS2
    4-(methylsulfinyl)-4'-(methylthio)biphenyl
    —— [4-(4-Methylphenyl)sulfonyloxy-1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalen-1-yl] 4-methylbenzenesulfonate 95699-93-7 C24H30O6S2
    [4-(4-Methylphenyl)sulfonyloxy-1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalen-1-yl] 4-methylbenzenesulfonate
    —— 4-Methoxy-biphenyl-3-thiol 502484-79-9 C13H12OS
    4-Methoxy-biphenyl-3-thiol
    —— 4-methyl-2-(2-morpholin-4-yl-ethyl)-6-phenyl-2<i>H</i>-pyridazin-3-one 13300-10-2 C17H21N3O2
    4-methyl-2-(2-morpholin-4-yl-ethyl)-6-phenyl-2<i>H</i>-pyridazin-3-one
    —— 4-[3-(2-chlorophenoxy)benzyl]-N-2H-tetrazol-5-ylpiperazine-1-carboxamide 1093211-23-4 C19H20ClN7O2
    4-[3-(2-chlorophenoxy)benzyl]-N-2H-tetrazol-5-ylpiperazine-1-carboxamide
    —— 4-(2-(3-(4-bromophenyl)thioureido)thiazol-4-yl)-3-(4-chlorophenyl)-1,2,3-oxadiazol-3-ium-5-olate 98409-79-1 C18H11BrClN5O2S2
    4-(2-(3-(4-bromophenyl)thioureido)thiazol-4-yl)-3-(4-chlorophenyl)-1,2,3-oxadiazol-3-ium-5-olate
    —— 4-(tert-butoxycarbonyloxy)benzenediazonium tetrafluoroborate 1618107-80-4 BF4*C11H13N2O3
    4-(tert-butoxycarbonyloxy)benzenediazonium tetrafluoroborate
    —— 4-(allyloxymethyl)-7-methyl-2-phenyl-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione 1220185-03-4 C19H21NO3
    4-(allyloxymethyl)-7-methyl-2-phenyl-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione
    —— 4-(2,4-dimethyl-1,3-thiazol-5-yl)-N-(4-fluoro-3-methylphenyl)pyrimidine-2-amine 930580-66-8 C16H15FN4S
    4-(2,4-dimethyl-1,3-thiazol-5-yl)-N-(4-fluoro-3-methylphenyl)pyrimidine-2-amine
    —— 4-Methyl-1-(4-nitrobenzyl)-2,3,4,5-tetrahydro-1H-1,4-benzodiazepin 91855-82-2 C17H19N3O2
    4-Methyl-1-(4-nitrobenzyl)-2,3,4,5-tetrahydro-1H-1,4-benzodiazepin
    —— 4,4-Dimethylcyclopent-2-en-1-one-2,3,5,5-(2)H4 119770-91-1 C7H10O
    4,4-Dimethylcyclopent-2-en-1-one-2,3,5,5-(2)H4
    —— 4-amino-6-(((1S)-1-(4-phenyl-3-quinolinyl)ethyl)amino)-5-pyrimidinecarbonitrile 1374200-11-9 C22H18N6
    4-amino-6-(((1S)-1-(4-phenyl-3-quinolinyl)ethyl)amino)-5-pyrimidinecarbonitrile
    —— 4,6-Dichlor-2-(2-ethoxy-ethylmercapto)-1,3,5-triazin 89776-11-4 C7H9Cl2N3OS
    4,6-Dichlor-2-(2-ethoxy-ethylmercapto)-1,3,5-triazin
    —— 4-iodomethyl-3,3-dimethyl-oxetan-2-one 36598-05-7 C6H9IO2
    4-iodomethyl-3,3-dimethyl-oxetan-2-one