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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,6-O-isopropylidene sucrose 71196-27-5 C15H26O11
    4,6-O-isopropylidene sucrose
    —— 4-chloro-7-ethyl-2H-benzo[h]chromen-2-one 1239986-15-2 C15H11ClO2
    4-chloro-7-ethyl-2H-benzo[h]chromen-2-one
    —— 4-[3-(3-Fluoro-4-methylphenyl)sulfonyl-6-methylquinolin-4-yl]morpholine 942904-08-7 C21H21FN2O3S
    4-[3-(3-Fluoro-4-methylphenyl)sulfonyl-6-methylquinolin-4-yl]morpholine
    —— 4-(3-amino-7-methylimidazo[1,2-a]pyridin-2-yl)benzonitrile 1415132-85-2 C15H12N4
    4-(3-amino-7-methylimidazo[1,2-a]pyridin-2-yl)benzonitrile
    —— 4-Benzo[1,3]dioxol-5-yl-2-(3-chloro-2-methyl-phenyl)-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid methyl ester 221245-77-8 C24H18ClNO6S
    4-Benzo[1,3]dioxol-5-yl-2-(3-chloro-2-methyl-phenyl)-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid methyl ester
    —— 4,5-bis (iodomethyl)-1-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-1,2,3-triazole 79635-43-1 C18H23I2N3O9
    4,5-bis (iodomethyl)-1-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-1,2,3-triazole
    —— 4-(6,7,8,9-tetrahydro-9-((S)-tetrahydrofuran-3-yl)-5,7,7-trimethyl-6-oxo-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-3-methoxy-N-methylbenzamide 946824-52-8 C23H30N6O4
    4-(6,7,8,9-tetrahydro-9-((S)-tetrahydrofuran-3-yl)-5,7,7-trimethyl-6-oxo-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-3-methoxy-N-methylbenzamide
    —— 4-methyl-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]indole-7-carbaldehyde 652145-24-9 C13H15NO
    4-methyl-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]indole-7-carbaldehyde
    —— 4-(Oxolan-3-ylmethoxy)piperidine 883537-71-1 C10H19NO2
    4-(Oxolan-3-ylmethoxy)piperidine
    —— 4-Chloro-2-[[2,6-di(propan-2-yl)phenyl]iminomethyl]-6-methoxyphenol 1217895-90-3 C20H24ClNO2
    4-Chloro-2-[[2,6-di(propan-2-yl)phenyl]iminomethyl]-6-methoxyphenol
    —— 4-(N-hexyl-N-phenylamino)-N-(4-mercapto-2-methyl-6-morpholinopyrimidin-5-yl)butanamide 155082-86-3 C25H37N5O2S
    4-(N-hexyl-N-phenylamino)-N-(4-mercapto-2-methyl-6-morpholinopyrimidin-5-yl)butanamide
    —— 4,4',4''-(1E,1'E,1''E)-[4,4',4''-nitrilotris(4,1-phenylene)tris(azan-1-yl-1-ylidene)]tris(methan-1-yl-1-ylidene)tris(2,3-dihydroxy-N-[(S)-1-phenylethyl]benzamide) 1086374-77-7 C66H57N7O9
    4,4',4''-(1E,1'E,1''E)-[4,4',4''-nitrilotris(4,1-phenylene)tris(azan-1-yl-1-ylidene)]tris(methan-1-yl-1-ylidene)tris(2,3-dihydroxy-N-[(S)-1-phenylethyl]benzamide)
    —— (4S,4aS,10bS)-7,10-difluoro-4-methyl-4-(2-methylsulfonylethyl)-10b-[4-(trifluoromethyl)phenyl]sulfonyl-1,2,4a,5-tetrahydropyrano[3,4-c]chromene 1100361-89-4 C23H23F5O6S2
    (4S,4aS,10bS)-7,10-difluoro-4-methyl-4-(2-methylsulfonylethyl)-10b-[4-(trifluoromethyl)phenyl]sulfonyl-1,2,4a,5-tetrahydropyrano[3,4-c]chromene
    —— (4S,56S,Z)-3-(acetoxymethylene)-6-(4-methoxybenzyloxy)-11-methyl-7-methylenedodeca-1,10-dien-8-yne-1,4-diyl diacetate 1176003-92-1 C29H34O8
    (4S,56S,Z)-3-(acetoxymethylene)-6-(4-methoxybenzyloxy)-11-methyl-7-methylenedodeca-1,10-dien-8-yne-1,4-diyl diacetate
    —— (4-Chlorophenyl)-[1-[4-(pyridin-2-ylmethyl)piperazine-1-carbonyl]piperidin-4-yl]methanone 416850-53-8 C23H27ClN4O2
    (4-Chlorophenyl)-[1-[4-(pyridin-2-ylmethyl)piperazine-1-carbonyl]piperidin-4-yl]methanone
    —— 4-oxa-6-azatetracyclo[6.3.1.1.(3,10).0(3,7)]tridec-5-en-5-amine 1059192-64-1 C11H16N2O
    4-oxa-6-azatetracyclo[6.3.1.1.(3,10).0(3,7)]tridec-5-en-5-amine
    —— 4-(5-cyano-7-propan-2-yl-1,3-benzoxazol-2-yl)-N-[[2-oxo-3-[5-[3-(trifluoromethyl)phenyl]pyridin-2-yl]-1,3-oxazolidin-5-yl]methyl]benzamide 1093752-47-6 C34H26F3N5O4
    4-(5-cyano-7-propan-2-yl-1,3-benzoxazol-2-yl)-N-[[2-oxo-3-[5-[3-(trifluoromethyl)phenyl]pyridin-2-yl]-1,3-oxazolidin-5-yl]methyl]benzamide
    —— 4-(2,4-difluorophenyl)-8-(2,6-difluorophenyl)-1,7-naphthyridin-2-amine 7-oxide 1075254-93-1 C20H11F4N3O
    4-(2,4-difluorophenyl)-8-(2,6-difluorophenyl)-1,7-naphthyridin-2-amine 7-oxide
    —— 4-Methoxy-2',4'-dibenzyloxy-chalkon 96970-10-4 C30H26O4
    4-Methoxy-2',4'-dibenzyloxy-chalkon
    —— 4-phenylthio-3(3-methyl-1-pyrrolidinyl)-5-sulfamoylbenzoic acid 84226-22-2 C18H20N2O4S2
    4-phenylthio-3(3-methyl-1-pyrrolidinyl)-5-sulfamoylbenzoic acid
    —— 4-(3,4-dimethoxyphenyl)-1-(4-methylpentyl)piperidine 1204428-31-8 C19H31NO2
    4-(3,4-dimethoxyphenyl)-1-(4-methylpentyl)piperidine
    —— 4-amino-6-fluoro-tert.-butyl-3-allylthio-1,2,4-triazin-5-one 87475-66-9 C10H15FN4OS
    4-amino-6-fluoro-tert.-butyl-3-allylthio-1,2,4-triazin-5-one
    —— 4-bromo-3-(2-chloropyrimidin-4-yl)-1H-indole 1214264-52-4 C12H7BrClN3
    4-bromo-3-(2-chloropyrimidin-4-yl)-1H-indole
    —— 4-(thiophen-2-yl)-but-3-ynyl triflate 906752-82-7 C9H7F3O3S2
    4-(thiophen-2-yl)-but-3-ynyl triflate
    —— (4S,6R)-(-)-6-(ethoxycarbonyl)-3-ethyl-2,6-dimethyl-4-phenyl-5(Z)-benzylidenecyclohex-2-enone 1062642-16-3 C26H28O3
    (4S,6R)-(-)-6-(ethoxycarbonyl)-3-ethyl-2,6-dimethyl-4-phenyl-5(Z)-benzylidenecyclohex-2-enone
    —— 4-Methoxy-benzoic acid 4-(tetrahydro-pyran-2-yloxy)-1-vinyl-butyl ester 850474-19-0 C19H26O5
    4-Methoxy-benzoic acid 4-(tetrahydro-pyran-2-yloxy)-1-vinyl-butyl ester
    —— 4-(1-(methoxyimino)ethyl)-4'-(2-oxopyrrolidin-1-yl)-[1,1'-biphenyl]-3,3',5-triyl triacetate 1052101-92-4 C25H26N2O8
    4-(1-(methoxyimino)ethyl)-4'-(2-oxopyrrolidin-1-yl)-[1,1'-biphenyl]-3,3',5-triyl triacetate
    —— 4-(5-(5-Chloro-2-methoxyphenyl)furan-2-yl)-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carbonitrile 853314-14-4 C24H23ClN2O3
    4-(5-(5-Chloro-2-methoxyphenyl)furan-2-yl)-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carbonitrile
    —— 4'-bromo-4-chloro-3,3',5,5'-tetramethyl-p-phenylenedipyrazole 103248-51-7 C16H16BrClN4
    4'-bromo-4-chloro-3,3',5,5'-tetramethyl-p-phenylenedipyrazole
    —— 4-((4-bromophenyl)(phenyl)methyl)-2,5-diphenyloxazole 1263098-39-0 C28H20BrNO
    4-((4-bromophenyl)(phenyl)methyl)-2,5-diphenyloxazole
    —— 4-nitro-benzaldehyde [4-(4-chloro-phenyl)-3-isobutyl-3H-thiazol-2-ylidene]-hydrazone 64071-32-5 C20H19ClN4O2S
    4-nitro-benzaldehyde [4-(4-chloro-phenyl)-3-isobutyl-3H-thiazol-2-ylidene]-hydrazone
    —— 4-(furan-2-yl)-6-(1,2,3,4-tetrahydronaphthalen-6-yl)-2-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosylthio)pyridine-3-carbonitrile 1384873-04-4 C34H34N2O10S
    4-(furan-2-yl)-6-(1,2,3,4-tetrahydronaphthalen-6-yl)-2-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosylthio)pyridine-3-carbonitrile
    —— 4-Methyl-3-[(6-methylsulfanylpyrimido[5,4-d]pyrimidin-4-yl)amino]benzoic acid 1213249-88-7 C15H13N5O2S
    4-Methyl-3-[(6-methylsulfanylpyrimido[5,4-d]pyrimidin-4-yl)amino]benzoic acid
    —— 4-bromo-3,5-dimethylbenzenesulfonyl chloride 1581266-79-6 C8H8BrClO2S
    4-bromo-3,5-dimethylbenzenesulfonyl chloride
    —— 4-nitrophenyl 2-azido-4,6-O-benzylidene-2-deoxy-1-thio-β-D-galactopyranoside 500212-97-5 C19H18N4O6S
    4-nitrophenyl 2-azido-4,6-O-benzylidene-2-deoxy-1-thio-β-D-galactopyranoside
    —— 4-(6-Morpholin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)phenol 1032704-70-3 C15H15N5O2
    4-(6-Morpholin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)phenol
    —— 4-methyl-4-(nitroxymethyl)oxazolidin-2-one 1449794-15-3 C5H8N2O5
    4-methyl-4-(nitroxymethyl)oxazolidin-2-one
    —— 4-fluoro-2-(methoxymethyl)benzaldehyde 842167-68-4 C9H9FO2
    4-fluoro-2-(methoxymethyl)benzaldehyde
    —— 4-Acetoxy-β-dihydrothebaine 83967-50-4 C21H25NO4
    4-Acetoxy-β-dihydrothebaine
    —— {(4R,5R)-2-(4-methoxyphenyl)-5-[4-(methylsulfonyl)phenyl]-4,5-dihydro-1,3-oxazol-4-yl}methanol 1373543-45-3 C18H19NO5S
    {(4R,5R)-2-(4-methoxyphenyl)-5-[4-(methylsulfonyl)phenyl]-4,5-dihydro-1,3-oxazol-4-yl}methanol
    —— 4-[(3-cyclopentyl-2-thioxo-3,4,5,6-tetrahydro-2H-1,3,5-thiadiazin-5-yl)methyl]benzoic acid 1361131-15-8 C16H20N2O2S2
    4-[(3-cyclopentyl-2-thioxo-3,4,5,6-tetrahydro-2H-1,3,5-thiadiazin-5-yl)methyl]benzoic acid
    —— 4-(((4-fluorophenethyl)(pyridin-3-ylmethyl)amino)methyl)-N-((S)-5-(3-(mesitylsulfonyl)guanidino)-1-(((S)-1-(naphthalen-1-yl)ethyl)amino)-1-oxopentan-2-yl)benzamide 1383123-12-3 C49H54FN7O4S
    4-(((4-fluorophenethyl)(pyridin-3-ylmethyl)amino)methyl)-N-((S)-5-(3-(mesitylsulfonyl)guanidino)-1-(((S)-1-(naphthalen-1-yl)ethyl)amino)-1-oxopentan-2-yl)benzamide
    —— 4-(((1,1'-biphenyl)-2-ylcarbonyl)aminomethyl)benzoic acid 591217-89-9 C21H17NO3
    4-(((1,1'-biphenyl)-2-ylcarbonyl)aminomethyl)benzoic acid
    —— (4-(((S)-1-amino-4-methyl-1-oxopentan-2-yl)amino)-6-(piperidin-1-yl)-1,3,5-triazin-2-yl)-D-arginine 1276116-24-5 C20H36N10O3
    (4-(((S)-1-amino-4-methyl-1-oxopentan-2-yl)amino)-6-(piperidin-1-yl)-1,3,5-triazin-2-yl)-D-arginine
    —— 4-[4-(4,4'-bis-dimethylamino-benzhydryl)-phenylazo]-N-methyl-aniline 103276-87-5 C30H33N5
    4-[4-(4,4'-bis-dimethylamino-benzhydryl)-phenylazo]-N-methyl-aniline
    —— 4-hydroxybutyl 16-oxo-ent-beyeran-19-oate 649747-52-4 C24H38O4
    4-hydroxybutyl 16-oxo-ent-beyeran-19-oate
    —— (4-(((S)-1-amino-4-methyl-1-oxopentan-2-yl)amino)-6-(piperidin-1-yl)-1,3,5-triazin-2-yl)-L-arginine 1276116-25-6 C20H36N10O3
    (4-(((S)-1-amino-4-methyl-1-oxopentan-2-yl)amino)-6-(piperidin-1-yl)-1,3,5-triazin-2-yl)-L-arginine
    —— 4-(1,5,3-dithiazocinan-3-yl)phenol 1415327-82-0 C11H15NOS2
    4-(1,5,3-dithiazocinan-3-yl)phenol
    —— 4-Ethyl-4-(4-methylphenyl)-2,5-dioxo-1-imidazolidineacetic acid 1094296-72-6 C14H16N2O4
    4-Ethyl-4-(4-methylphenyl)-2,5-dioxo-1-imidazolidineacetic acid
    —— 4-{(S)-4-carboxy-2-[(2-phenyl-6-propylsulfanyl-pyrimidine-4-carbonyl)-amino]-butyryl}-piperazine-1-carboxylic acid ethyl ester 913949-46-9 C26H33N5O6S
    4-{(S)-4-carboxy-2-[(2-phenyl-6-propylsulfanyl-pyrimidine-4-carbonyl)-amino]-butyryl}-piperazine-1-carboxylic acid ethyl ester