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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4'-dichloro-2,2'-diphenyl-[1,1']biisoindolylidene-3,3'-dione 66294-33-5 C28H16Cl2N2O2
    4,4'-dichloro-2,2'-diphenyl-[1,1']biisoindolylidene-3,3'-dione
    —— 4-O-{-3-O-[2-acetamido-2-deoxy-3-O-(β-D-galactopyranosyl)-4-O-(α-L-fucopyranosyl)-β-D-glucopyranosyl]-β-D-galactopyranosyl}-N-glycyl-β-D-glucopyranosylamine 1448355-58-5 C34H59N3O25
    4-O-{-3-O-[2-acetamido-2-deoxy-3-O-(β-D-galactopyranosyl)-4-O-(α-L-fucopyranosyl)-β-D-glucopyranosyl]-β-D-galactopyranosyl}-N-glycyl-β-D-glucopyranosylamine
    —— 4bβ-Methyl-1-(3-oxobutyl)-3,4,4aα,5,6,7,8,8aα,9,10,10aβ-undecahydrophenathren-6-one 83862-42-4 C19H28O2
    4bβ-Methyl-1-(3-oxobutyl)-3,4,4aα,5,6,7,8,8aα,9,10,10aβ-undecahydrophenathren-6-one
    —— 4-Methoxy-2a(2)-(trifluoromethoxy)[1,1a(2)-biphenyl]-3-carboxaldehyde 926237-54-9 C15H11F3O3
    4-Methoxy-2a(2)-(trifluoromethoxy)[1,1a(2)-biphenyl]-3-carboxaldehyde
    —— 4,5-Dimethoxy-2-(pyrrolidine-1-carbonyl)aniline 926232-11-3 C13H18N2O3
    4,5-Dimethoxy-2-(pyrrolidine-1-carbonyl)aniline
    —— 4-(3"-methoxyphenylurenyl)chalcone 1350728-16-3 C23H20N2O3
    4-(3"-methoxyphenylurenyl)chalcone
    —— 4-aminopyrimidino-5-ammonium 4-benzoyl-2(5H)-furanone-3-oxide 138196-65-3 C4H6N4*C11H8O4
    4-aminopyrimidino-5-ammonium 4-benzoyl-2(5H)-furanone-3-oxide
    —— 4-Methyl-2-trifluoromethyl-penta-2,3-dienoic acid ethyl ester 130716-27-7 C9H11F3O2
    4-Methyl-2-trifluoromethyl-penta-2,3-dienoic acid ethyl ester
    —— 4-di-(p-anisyl)-1,2-dihydro-3,1-benzoxazin-2(4H)-3-one 91148-54-8 C22H19NO4
    4-di-(p-anisyl)-1,2-dihydro-3,1-benzoxazin-2(4H)-3-one
    —— 4-Ethoxy-2,3-diphenylnaphthalen-1-ol 1071588-26-5 C24H20O2
    4-Ethoxy-2,3-diphenylnaphthalen-1-ol
    —— 4-amino-5-chloro-6-methoxycarbonyl-2-(6-methylcarbonylpyridin-3-yl)pyrimidine 1194254-26-6 C13H12ClN5O3
    4-amino-5-chloro-6-methoxycarbonyl-2-(6-methylcarbonylpyridin-3-yl)pyrimidine
    —— 4,4',4''-tris[N,N-bis(2-pyridylmethyl)aminomethyl]triphenylamine 1177901-20-0 C57H54N10
    4,4',4''-tris[N,N-bis(2-pyridylmethyl)aminomethyl]triphenylamine
    —— (4-bromo-phenyl)-[1,2,3]thiadiazolo[5,4-d]pyrimidin-7-yl-amine 17466-09-0 C10H6BrN5S
    (4-bromo-phenyl)-[1,2,3]thiadiazolo[5,4-d]pyrimidin-7-yl-amine
    —— 4-Iodo-5,5-dimethyl-5H-furan-2-ylideneamine 374551-47-0 C6H8INO
    4-Iodo-5,5-dimethyl-5H-furan-2-ylideneamine
    —— 4-chloro-N-(3,4-dimethoxybenzyl)-N-[(1R,2S)-2-hydroxy-1-(hydroxymethyl)-2-phenylethyl]benzenesulfonamide 865289-19-6 C24H26ClNO6S
    4-chloro-N-(3,4-dimethoxybenzyl)-N-[(1R,2S)-2-hydroxy-1-(hydroxymethyl)-2-phenylethyl]benzenesulfonamide
    —— 4-ethyl-cyclopentan-1,2-dione 54362-48-0 C7H10O2
    4-ethyl-cyclopentan-1,2-dione
    —— 4-(3-chlorophenyl)-6,7-dimethoxy-1,2-diphenylnaphthalene 1616101-56-4 C30H23ClO2
    4-(3-chlorophenyl)-6,7-dimethoxy-1,2-diphenylnaphthalene
    —— 4-(5-prop-1-en-2-yl-4,5-dihydrotriazol-1-yl)pyridine 76330-84-2 C10H12N4
    4-(5-prop-1-en-2-yl-4,5-dihydrotriazol-1-yl)pyridine
    —— 4-amino-6-{4-[4-(4-fluoro-3-trifluoromethylphenyl)-1-(2-hydroxyethyl)-1H-imidazol-2-yl]piperidin-1-yl}pyrimidine-5-carboxylic acid amide 1428252-86-1 C22H23F4N7O2
    4-amino-6-{4-[4-(4-fluoro-3-trifluoromethylphenyl)-1-(2-hydroxyethyl)-1H-imidazol-2-yl]piperidin-1-yl}pyrimidine-5-carboxylic acid amide
    —— 4-amino-5-methyl-5-phenyl-2-[1-(2,2,2-trifluoroethyl)-1H-indazol-3-yl]-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one 1350852-90-2 C22H17F3N6O
    4-amino-5-methyl-5-phenyl-2-[1-(2,2,2-trifluoroethyl)-1H-indazol-3-yl]-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one
    —— 4-((S)-1-{4-[6-amino-5-(4-fluorophenyl)pyrimidin-4-yl]piperazin-1-yl}-2-azetidin-1-ylethyl)benzoic acid methyl ester 1427595-47-8 C27H31FN6O2
    4-((S)-1-{4-[6-amino-5-(4-fluorophenyl)pyrimidin-4-yl]piperazin-1-yl}-2-azetidin-1-ylethyl)benzoic acid methyl ester
    —— 4-(2-benzyl-2,4,5,7-tetrahydro-6H-pyrazolo[3,4-c]pyridine-6-yl)-6,7-dimethoxyquinazoline 1202652-89-8 C23H23N5O2
    4-(2-benzyl-2,4,5,7-tetrahydro-6H-pyrazolo[3,4-c]pyridine-6-yl)-6,7-dimethoxyquinazoline
    —— 4-nitro-2-(3-piperidino-propoxy)-benzoic acid ethyl ester; hydrochloride 110378-28-4 C17H24N2O5*ClH
    4-nitro-2-(3-piperidino-propoxy)-benzoic acid ethyl ester; hydrochloride
    —— 4-((4-cyano-1-(pyrimidin-2-yl)-1H-pyrazol-5-yl)diazenyl)-5-hydroxy-1-phenyl-1H-pyrazole-3-carbonitrile 1186658-24-1 C18H10N10O
    4-((4-cyano-1-(pyrimidin-2-yl)-1H-pyrazol-5-yl)diazenyl)-5-hydroxy-1-phenyl-1H-pyrazole-3-carbonitrile
    —— 4-(N-(4-methoxyphenyl)benzamido)-6-phenylpyridin-3-yl benzoate 1426821-43-3 C18H16ClNO
    4-(N-(4-methoxyphenyl)benzamido)-6-phenylpyridin-3-yl benzoate
    —— 4-(2,3,6-trimethoxy-phenanthren-9-ylmethyl)-morpholine 63948-46-9 C22H25NO4
    4-(2,3,6-trimethoxy-phenanthren-9-ylmethyl)-morpholine
    —— 4,4-Dimethyl-6-(phenylselenenyl)-6-formylcyclohexenone 77630-14-9 C15H16O2Se
    4,4-Dimethyl-6-(phenylselenenyl)-6-formylcyclohexenone
    —— 4-[(1,1-dioxido-2,3-dihydro-4H-1,4-benzothiazin-4-yl)methyl]-N-(2,4-dioxo-8-oxa-1,3-diazaspiro[4.5]dec-6-yl)benzamide 477581-88-7 C23H24N4O6S
    4-[(1,1-dioxido-2,3-dihydro-4H-1,4-benzothiazin-4-yl)methyl]-N-(2,4-dioxo-8-oxa-1,3-diazaspiro[4.5]dec-6-yl)benzamide
    —— 4,6-dimethoxy-1-(10'-(N-imidazolylthiocarbonyloxy)-tetradec-13'-enyl)-1H-indole 944128-40-9 C28H39N3O3S
    4,6-dimethoxy-1-(10'-(N-imidazolylthiocarbonyloxy)-tetradec-13'-enyl)-1H-indole
    —— 4-(4-(5-methyl-2-(thiophen-2-yl)oxazol-4-ylmethoxy)benzyl)thiomorpholine-3-carboxylic acid ethyl ester 1065333-37-0 C23H26N2O4S2
    4-(4-(5-methyl-2-(thiophen-2-yl)oxazol-4-ylmethoxy)benzyl)thiomorpholine-3-carboxylic acid ethyl ester
    —— 4-{3-[4-trifluoromethyl-5-(4-hydroxyphenyl)isoxazol-3-yl]propanoyl}amino-1-ethylpyrrole-3-carboxylic acid potassium salt 1204423-04-0 C20H17F3N3O5*K
    4-{3-[4-trifluoromethyl-5-(4-hydroxyphenyl)isoxazol-3-yl]propanoyl}amino-1-ethylpyrrole-3-carboxylic acid potassium salt
    —— 4,4,7-Trimethyl-4,4a,5,6-tetrahydro-2(3H)-naphthalenylidene malonic acid 126736-43-4 C16H20O4
    4,4,7-Trimethyl-4,4a,5,6-tetrahydro-2(3H)-naphthalenylidene malonic acid
    —— 4-methyl-7-oxo-2-phenyl-4,7-dihydro-thieno[3,2-b ]pyridine-6-carboxamide 116623-87-1 C15H12N2O2S
    4-methyl-7-oxo-2-phenyl-4,7-dihydro-thieno[3,2-b ]pyridine-6-carboxamide
    —— (+-)-(4t-ethyl-5-oxo-tetrahydro-[3r]furyl)-acetyl chloride 138920-74-8 C8H11ClO3
    (+-)-(4t-ethyl-5-oxo-tetrahydro-[3r]furyl)-acetyl chloride
    —— 4-(E-2-methoxycarbonylethenyl)-1-tri-isopropylsilylindole 123191-03-7 C21H31NO2Si
    4-(E-2-methoxycarbonylethenyl)-1-tri-isopropylsilylindole
    —— (4S,4aR,5S,5aR,12aS)-4,7-bis(dimethylamino)-9-(2-(dimethylamino)acetamido)-3,10,12,12a-tetrahydroxy-5-(methylsulfonamido)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide 1371641-94-9 C28H38N6O10S
    (4S,4aR,5S,5aR,12aS)-4,7-bis(dimethylamino)-9-(2-(dimethylamino)acetamido)-3,10,12,12a-tetrahydroxy-5-(methylsulfonamido)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
    —— (4R,5R,8R,9S,12R,13R)-4,13-di(methoxymethoxy)-5,8:9,12-dioxidotricos-1-yne 224037-54-1 C27H48O6
    (4R,5R,8R,9S,12R,13R)-4,13-di(methoxymethoxy)-5,8:9,12-dioxidotricos-1-yne
    —— 4,5-difluoro-2-{[2-({2-(methyloxy)-4-[4-(4-morpholinyl)-1-piperidinyl]phenyl}amino)-1H-pyrrolo[2,3-d]pyrimidin-4-yl]amino}benzamide 1116235-60-9 C29H32F2N8O3
    4,5-difluoro-2-{[2-({2-(methyloxy)-4-[4-(4-morpholinyl)-1-piperidinyl]phenyl}amino)-1H-pyrrolo[2,3-d]pyrimidin-4-yl]amino}benzamide
    —— 4,5'-dimethylen-1,1,3,3,2',2',6',6'-octamethyl-1,2,3,4,7,8-hexahydro-6H-pyrano<3,2-c>pyridinespiro<6,3'>-4'-piperidone-2',1-dioxyl 49581-95-5 C22H32N2O4
    4,5'-dimethylen-1,1,3,3,2',2',6',6'-octamethyl-1,2,3,4,7,8-hexahydro-6H-pyrano<3,2-c>pyridinespiro<6,3'>-4'-piperidone-2',1-dioxyl
    —— 4-Hydroxybutyl 2-diazoacetate 1616349-89-3 C6H10N2O3
    4-Hydroxybutyl 2-diazoacetate
    —— 4-amino-4,5-dihydro-1-hydroxy-5-oxo-2-phenyl-thiazolo[3,2-a]quinazolin-10-ium 222293-55-2 C16H11N3O2S
    4-amino-4,5-dihydro-1-hydroxy-5-oxo-2-phenyl-thiazolo[3,2-a]quinazolin-10-ium
    —— 4,7-Diiod-2-phenylindan-1,3-dion 67687-01-8 C15H8I2O2
    4,7-Diiod-2-phenylindan-1,3-dion
    —— 4-acetyl-3-(2-amino-ethyl)-5-methoxy-indole-2-carboxylic acid 69872-25-9 C14H16N2O4
    4-acetyl-3-(2-amino-ethyl)-5-methoxy-indole-2-carboxylic acid
    —— 4-methoxy-6-methyl-N-(4-dimethylaminobenzylidene)-1,3,5-triazin-2-amine 1465739-99-4 C14H17N5O
    4-methoxy-6-methyl-N-(4-dimethylaminobenzylidene)-1,3,5-triazin-2-amine
    —— 4-(di-tert-butyl(fluoro-18F)silyl)benzoic acid 1146956-49-1 C15H23FO2Si
    4-(di-tert-butyl(fluoro-18F)silyl)benzoic acid
    —— 4-(Benzenesulfonyl)-1-oxaspiro[4.5]decan-2-one 112751-97-0 C15H18O4S
    4-(Benzenesulfonyl)-1-oxaspiro[4.5]decan-2-one
    —— (4-Chlor-phenyl)-tetraiod-phosphoran 24901-03-9 C6H4ClI4P
    (4-Chlor-phenyl)-tetraiod-phosphoran
    —— 4,5-Bis(tert-butyldimethylsilyloxy)-2-(4-chlorphenyl)-3,6-dihydro-2H-1,2-oxazin 110719-40-9 C22H38ClNO3Si2
    4,5-Bis(tert-butyldimethylsilyloxy)-2-(4-chlorphenyl)-3,6-dihydro-2H-1,2-oxazin
    —— 4-[2-(5,6-Dichloro-1H-benzoimidazol-2-ylamino)-5,6,7,8-tetrahydro-quinazolin-4-ylamino]-2-(4-methyl-piperazin-1-ylmethyl)-phenol; hydrochloride 86260-66-4 C27H30Cl2N8O*3ClH
    4-[2-(5,6-Dichloro-1H-benzoimidazol-2-ylamino)-5,6,7,8-tetrahydro-quinazolin-4-ylamino]-2-(4-methyl-piperazin-1-ylmethyl)-phenol; hydrochloride
    —— 4-bromo-2,6-dichloro-3-hydroxy-benzaldehyde 873983-87-0 C7H3BrCl2O2
    4-bromo-2,6-dichloro-3-hydroxy-benzaldehyde