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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4R,5R)-4,5-dicyclohexyl-1,3,2-dioxaborolane-2-propanenitrile 238088-33-0 C17H28BNO2
    (4R,5R)-4,5-dicyclohexyl-1,3,2-dioxaborolane-2-propanenitrile
    —— 4,7,7-trimethyl-2,3,4,6,7,8-hexahydro-5H-chromen-5-one 1241047-03-9 C12H18O2
    4,7,7-trimethyl-2,3,4,6,7,8-hexahydro-5H-chromen-5-one
    —— (4S)-4-propan-2-yl-2-(2-propylpiperidin-1-yl)-4,5-dihydro-1,3-oxazole 102922-44-1 C14H26N2O
    (4S)-4-propan-2-yl-2-(2-propylpiperidin-1-yl)-4,5-dihydro-1,3-oxazole
    —— 4-({[1-(Tert-butoxycarbonyl)piperidin-4-yl]carbonyl}amino)butanoic acid 1092294-43-3 C15H26N2O5
    4-({[1-(Tert-butoxycarbonyl)piperidin-4-yl]carbonyl}amino)butanoic acid
    —— 4-methyl-2-propoxy-[1,3,2]dioxaborolane 1195-47-7 C6H13BO3
    4-methyl-2-propoxy-[1,3,2]dioxaborolane
    —— 4-methoxy-2'-methoxymethoxychalcone 93878-18-3 C18H18O4
    4-methoxy-2'-methoxymethoxychalcone
    —— (4-Butoxy-phenyl)-carbamic acid 2-piperidin-1-yl-cyclohexyl ester; hydrochloride 26369-87-9 C22H34N2O3*ClH
    (4-Butoxy-phenyl)-carbamic acid 2-piperidin-1-yl-cyclohexyl ester; hydrochloride
    —— 4,5-Diaminopentanoic acid dihydrochloride 105655-72-9 C5H14Cl2N2O2
    4,5-Diaminopentanoic acid dihydrochloride
    —— [4-[(4-methylphenyl)diazenyl]phenyl] 4-propoxybenzoate 56202-26-7 C23H22N2O3
    [4-[(4-methylphenyl)diazenyl]phenyl] 4-propoxybenzoate
    —— 4-Methyl-4-phenyl-5,6-dihydro-1,3-oxazin-2-amine;hydrochloride 935985-79-8 C11H14N2O*ClH
    4-Methyl-4-phenyl-5,6-dihydro-1,3-oxazin-2-amine;hydrochloride
    —— (4-phenethyloxy-phenyl)-carbamic acid-(2-diethylamino-ethyl ester) 100274-35-9 C21H28N2O3
    (4-phenethyloxy-phenyl)-carbamic acid-(2-diethylamino-ethyl ester)
    —— (4-Methoxy-phenyl)-carbamic acid (9Z,12E)-octadeca-9,12-dienyl ester 18221-62-0 C26H41NO3
    (4-Methoxy-phenyl)-carbamic acid (9Z,12E)-octadeca-9,12-dienyl ester
    —— 4-(2-<2-Methyl-6,7-dimethoxy-1,2,3,4-tetrahydro-isochinolinyl-(1)>-ethylmercapto)-pyridin-N-oxid 23104-45-2 C19H24N2O3S
    4-(2-<2-Methyl-6,7-dimethoxy-1,2,3,4-tetrahydro-isochinolinyl-(1)>-ethylmercapto)-pyridin-N-oxid
    —— 4-bromo-N-(pyridin-2-yl)benzimidamide 1236223-94-1 C12H10BrN3
    4-bromo-N-(pyridin-2-yl)benzimidamide
    —— 4-methyl-1,4,4a,9a-tetrahydro-fluorene 874530-20-8 C14H16
    4-methyl-1,4,4a,9a-tetrahydro-fluorene
    —— 4-{2-[(2-amino-4,5,6,7-tetrahydrobenzothiazol-6-yl)(propyl)amino]ethyl}piperazine-1-carboxylic acid tert-butyl ester 1381991-95-2 C21H37N5O2S
    4-{2-[(2-amino-4,5,6,7-tetrahydrobenzothiazol-6-yl)(propyl)amino]ethyl}piperazine-1-carboxylic acid tert-butyl ester
    —— 4'-benzyloxy-3-hydroxy-3',5,7,8-tetramethoxyflavone 116512-04-0 C26H24O8
    4'-benzyloxy-3-hydroxy-3',5,7,8-tetramethoxyflavone
    —— 4-aminocyclohexane-1-carboxylic acid,hydrochloride 27960-59-4 C7H13NO2*ClH
    4-aminocyclohexane-1-carboxylic acid,hydrochloride
    —— 4,6-Bis(piperidino)-1,3,5-triaza-2-phosphapentalen 104091-71-6 C14H20N5P
    4,6-Bis(piperidino)-1,3,5-triaza-2-phosphapentalen
    —— 4-(Dimethylamino)-4-phenyl-1-thia-3-azoniabutatriene Hexachloroantimonate 113290-08-7 C10H11N2S*Cl6Sb
    4-(Dimethylamino)-4-phenyl-1-thia-3-azoniabutatriene Hexachloroantimonate
    —— 4-guanidinoimino-2-phenyl-1,2,3,4,5,6,7,8-octahydrocarbazole hydrochloride 239128-23-5 C19H23N5*ClH
    4-guanidinoimino-2-phenyl-1,2,3,4,5,6,7,8-octahydrocarbazole hydrochloride
    —— 4-fluorobenzenediazonium bis(trifluoromethyl)amide 1316231-52-3 C2F6N*C6H4FN2
    4-fluorobenzenediazonium bis(trifluoromethyl)amide
    —— 4-(5-(hex-5-yn-1-yl)furan-2-yl)butan-1-ol 1213266-59-1 C14H20O2
    4-(5-(hex-5-yn-1-yl)furan-2-yl)butan-1-ol
    —— 4-<(2-Chlor-ethyl)-methoxycarbonyl-amino>-phenylessigsaeure 91494-78-9 C12H14ClNO4
    4-<(2-Chlor-ethyl)-methoxycarbonyl-amino>-phenylessigsaeure
    —— 4-[1-(biphenyl-4-ylcarbonyl)azetidin-3-yl]-1-(1,3-thiazol-2-ylcarbonyl)piperidine 1373356-54-7 C25H25N3O2S
    4-[1-(biphenyl-4-ylcarbonyl)azetidin-3-yl]-1-(1,3-thiazol-2-ylcarbonyl)piperidine
    —— 4-CH3C6H4(CH3)2SnBr 110838-99-8 C9H13BrSn
    4-CH3C6H4(CH3)2SnBr
    —— 4-iodo-3-(3-iodobenzofuran-2-yl)-1H-isocoumarin 1208500-48-4 C17H8I2O3
    4-iodo-3-(3-iodobenzofuran-2-yl)-1H-isocoumarin
    —— 4-phenyl-2-(1-phenyl-3-(trimethylsilyl)prop-2-ynyl)-2H-1,2,3-triazole 1236769-60-0 C20H21N3Si
    4-phenyl-2-(1-phenyl-3-(trimethylsilyl)prop-2-ynyl)-2H-1,2,3-triazole
    —— 4-((4-methoxybenzyl)oxy)butyl acetate 1402580-99-7 C14H20O4
    4-((4-methoxybenzyl)oxy)butyl acetate
    —— 4-(2-oxooxazolidin-3-yl)but-3-yn-2-yl 2-(p-tolyl)acetate 1393331-31-1 C16H17NO4
    4-(2-oxooxazolidin-3-yl)but-3-yn-2-yl 2-(p-tolyl)acetate
    —— 4-(2,4-dimethyl-phenyl)-3-methyl-3H-thiazol-2-one 100192-05-0 C12H13NOS
    4-(2,4-dimethyl-phenyl)-3-methyl-3H-thiazol-2-one
    —— 4-methoxy-N-[2-(piperazin-1-yl)ethyl]benzamide hydrochloride 1269152-40-0 C14H22ClN3O2
    4-methoxy-N-[2-(piperazin-1-yl)ethyl]benzamide hydrochloride
    —— 4-(4-fluorophenyl)-5-(4-methylsulfonylphenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione 884651-48-3 C15H12FN3O2S2
    4-(4-fluorophenyl)-5-(4-methylsulfonylphenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione
    —— 4-benzoyl-3-benzoylimino-5,5-dimethyl-2-phenyl-[1,2,4]oxadiazolidine 101608-99-5 C24H21N3O3
    4-benzoyl-3-benzoylimino-5,5-dimethyl-2-phenyl-[1,2,4]oxadiazolidine
    —— 4-Bromo-4-phenyl-butyric acid N'-(4-bromo-4-phenyl-butyryl)-hydrazide 19818-53-2 C20H22Br2N2O2
    4-Bromo-4-phenyl-butyric acid N'-(4-bromo-4-phenyl-butyryl)-hydrazide
    —— (4R,5R)-4-(1-Hydroxy-1-methyl-ethyl)-2,2-dimethyl-[1,3]dioxolane-4,5-dicarboxylic acid dimethyl ester 79917-85-4 C12H20O7
    (4R,5R)-4-(1-Hydroxy-1-methyl-ethyl)-2,2-dimethyl-[1,3]dioxolane-4,5-dicarboxylic acid dimethyl ester
    —— 4-(1,4,5,6-tetrahydro-6-oxo-3-pyridazinyl)benzenecarbothioamide 109890-16-6 C11H11N3OS
    4-(1,4,5,6-tetrahydro-6-oxo-3-pyridazinyl)benzenecarbothioamide
    —— (4-Chlor-1-nitro-butyl)-methyl-keton 41168-68-7 C6H10ClNO3
    (4-Chlor-1-nitro-butyl)-methyl-keton
    —— 4-methyl-N'-((2E,3E,5R,6S,7R)-5,6,8-tris(benzyloxy)-7-((tert-butyldimethylsilyl)oxy)oct-3-en-2-ylidene)benzenesulfonohydrazide 78009-85-5 C42H54N2O6SSi
    4-methyl-N'-((2E,3E,5R,6S,7R)-5,6,8-tris(benzyloxy)-7-((tert-butyldimethylsilyl)oxy)oct-3-en-2-ylidene)benzenesulfonohydrazide
    —— 4-[bis-(4’-fluorophenyl)methyl]-benzo[d][1,2]oxazin-1-one 1437802-98-6 C21H13F2NO2
    4-[bis-(4’-fluorophenyl)methyl]-benzo[d][1,2]oxazin-1-one
    —— 4-benzyl-2,6-diallylanisole 80227-96-9 C20H22O
    4-benzyl-2,6-diallylanisole
    —— 4,6-O-benzylidene-α-D-glucopyranose 1,2-O-(methyl orthoacetate) 1344087-16-6 C16H20O7
    4,6-O-benzylidene-α-D-glucopyranose 1,2-O-(methyl orthoacetate)
    —— 4-(2,2-Dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-2-(3-oxo-cyclohex-1-enylamino)-butyric acid methyl ester 110023-89-7 C17H23NO6
    4-(2,2-Dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-2-(3-oxo-cyclohex-1-enylamino)-butyric acid methyl ester
    —— (4-methoxy-3-nitrophenyl)-[4-[3-(trifluoromethyl)diaziridin-3-yl]thiophen-2-yl]methanone 111690-72-3 C14H10F3N3O4S
    (4-methoxy-3-nitrophenyl)-[4-[3-(trifluoromethyl)diaziridin-3-yl]thiophen-2-yl]methanone
    —— 4-[4-(4-chlorophenyl)-1-piperidinyl]-4-oxo-1-(2,3,4,5-tetrahydro-1H-2-benzazepin-8-yl)-1-butanone 374811-89-9 C25H29ClN2O2
    4-[4-(4-chlorophenyl)-1-piperidinyl]-4-oxo-1-(2,3,4,5-tetrahydro-1H-2-benzazepin-8-yl)-1-butanone
    —— 4-[[[5-chloro-2-(2,3-dimethyl-4-piperidin-4-ylanilino)pyrimidin-4-yl]amino]methyl]-3,3-dimethyl-1H-indol-2-one 1383678-39-4 C28H33ClN6O
    4-[[[5-chloro-2-(2,3-dimethyl-4-piperidin-4-ylanilino)pyrimidin-4-yl]amino]methyl]-3,3-dimethyl-1H-indol-2-one
    —— 4-(6-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)imidazo[1,2-b]pyridazin-3-yl)-2-(4-(2-methoxyethyl)piperazin-1-yl)benzonitrile 1196546-69-6 C30H31F2N7O
    4-(6-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)imidazo[1,2-b]pyridazin-3-yl)-2-(4-(2-methoxyethyl)piperazin-1-yl)benzonitrile
    —— 4-[4-(3-chloro-phenyl)-6-oxo-morpholin-2-ylmethoxy]-benzoic acid methyl ester 61974-41-2 C19H18ClNO5
    4-[4-(3-chloro-phenyl)-6-oxo-morpholin-2-ylmethoxy]-benzoic acid methyl ester
    —— [((4-Me-C6H4)N=CMeCMe=N(4-Me-C6H4))PdMe(ethylene)][B(C6F5)4] 1005000-77-0 C21H27N2Pd*C24BF20
    [((4-Me-C6H4)N=CMeCMe=N(4-Me-C6H4))PdMe(ethylene)][B(C6F5)4]
    —— 4-methyl-1-phenyl-5-thioxo-[1,2,4]triazolidin-3-one 133846-91-0 C9H9N3OS
    4-methyl-1-phenyl-5-thioxo-[1,2,4]triazolidin-3-one