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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(4-bromo-benzylidene)-3-(6-methoxy-benzothiazol-2-yl)-2-thioxo-imidazolidin-4-one 59362-07-1 C18H12BrN3O2S2
    5-(4-bromo-benzylidene)-3-(6-methoxy-benzothiazol-2-yl)-2-thioxo-imidazolidin-4-one
    —— 5-trimethylsilylethynyl-5''-n-dodecyl-2,2':5',2''-terthiophene 355838-08-3 C29H40S3Si
    5-trimethylsilylethynyl-5''-n-dodecyl-2,2':5',2''-terthiophene
    —— 5-(4-chlorophenyl)-5-[3-(2,5-dimethylpyrrolidin-1-yl)-3-oxopropyl]-8-methyl-5H-imidazo[2,1-a]isoindole 1227199-78-1 C26H28ClN3O
    5-(4-chlorophenyl)-5-[3-(2,5-dimethylpyrrolidin-1-yl)-3-oxopropyl]-8-methyl-5H-imidazo[2,1-a]isoindole
    —— 5-phenyl-1-(α-naphthyloxyacetyl)-5-hydroxy-3-(5-nitro-2-furyl)pyrazoline 141244-75-9 C25H19N3O6
    5-phenyl-1-(α-naphthyloxyacetyl)-5-hydroxy-3-(5-nitro-2-furyl)pyrazoline
    —— 5-[6-(3-Methylpyrazol-1-yl)pyridin-2-yl]-2-pyridin-3-yl-1,3-thiazole 1204610-96-7 C17H13N5S
    5-[6-(3-Methylpyrazol-1-yl)pyridin-2-yl]-2-pyridin-3-yl-1,3-thiazole
    —— 5-(4-Fluorophenyl)-4-(pyridin-2-yl)isoxazole 148671-50-5 C14H9FN2O
    5-(4-Fluorophenyl)-4-(pyridin-2-yl)isoxazole
    —— 5-ethoxy-4-ethoxycarbonyl-5-oxo-1-phthalimidopentane-2-sulfonyl chloride 1454845-11-4 C18H20ClNO8S
    5-ethoxy-4-ethoxycarbonyl-5-oxo-1-phthalimidopentane-2-sulfonyl chloride
    —— 5,5'-bis[5,10,15-tris(methoxy(ethoxy)2carbonylethyl)porphyrinatozinc(II)]-2,2'-bipyridine 709611-40-5 C98H112N10O24Zn2
    5,5'-bis[5,10,15-tris(methoxy(ethoxy)2carbonylethyl)porphyrinatozinc(II)]-2,2'-bipyridine
    —— 5-chloro-2-nitro-mandelonitrile 705288-14-8 C8H5ClN2O3
    5-chloro-2-nitro-mandelonitrile
    —— 5-Fluoro-3-methyl-4H-benzo[1,4]thiazine-2-carboxylic acid methyl ester 135517-95-2 C11H10FNO2S
    5-Fluoro-3-methyl-4H-benzo[1,4]thiazine-2-carboxylic acid methyl ester
    —— 5-Carboxythiophen-2-sulfonsaeure-<N'-phenylhydrazid> 7311-45-7 C11H10N2O4S2
    5-Carboxythiophen-2-sulfonsaeure-<N'-phenylhydrazid>
    —— 5-Methyl-6-[2-(7a-methyl-1,5-dioxo-octahydro-inden-4-yl)-ethyl]-pyridine-2-carboxylic acid 94915-21-6 C19H23NO4
    5-Methyl-6-[2-(7a-methyl-1,5-dioxo-octahydro-inden-4-yl)-ethyl]-pyridine-2-carboxylic acid
    —— 5,7-Dehydro-6,14-endo-etheno-7-(1-hydroxy-1-methylbutyl)-6-O-methyldihydrothebainol 16558-45-5 C26H35NO4
    5,7-Dehydro-6,14-endo-etheno-7-(1-hydroxy-1-methylbutyl)-6-O-methyldihydrothebainol
    —— 5-benzoyl-1-phenethyl-1<i>H</i>-pyridin-2-one 102078-95-5 C20H17NO2
    5-benzoyl-1-phenethyl-1<i>H</i>-pyridin-2-one
    —— 5-Acetoxy-2-cyclohexyl-3,4,5,6-tetrahydro-5,6,6-trimethyl-2H-1,2-oxazin-3-carbonitril 84283-19-2 C16H26N2O3
    5-Acetoxy-2-cyclohexyl-3,4,5,6-tetrahydro-5,6,6-trimethyl-2H-1,2-oxazin-3-carbonitril
    —— (5-chloro-[8]quinolyl)-arsonic acid 856098-31-2 C9H7AsClNO3
    (5-chloro-[8]quinolyl)-arsonic acid
    —— 5-Vinyl-Δ<sup>2</sup>-pyrazolin-3-carbonsaeure-methylester 16492-69-6 C7H10N2O2
    5-Vinyl-Δ<sup>2</sup>-pyrazolin-3-carbonsaeure-methylester
    —— 5-Phenacyl-2-propyl-cyclopentanon-3-carbonsaeure 93728-17-7 C17H20O4
    5-Phenacyl-2-propyl-cyclopentanon-3-carbonsaeure
    —— 5-Phenyl-4-(2-brom-ethyl)-2H-1,2,4-triazolon-(3) 17506-40-0 C10H10BrN3O
    5-Phenyl-4-(2-brom-ethyl)-2H-1,2,4-triazolon-(3)
    —— (+/-)-5-(2-<N-(3-Methyl-phenyl)-sulfamoyl>-aethyl)-hydantoin 96116-97-1 C12H15N3O4S
    (+/-)-5-(2-<N-(3-Methyl-phenyl)-sulfamoyl>-aethyl)-hydantoin
    —— 5,5-difluoro-10-mesityl-2,8-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5H-5l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium 1174935-72-8 C30H39B3F2N2O4
    5,5-difluoro-10-mesityl-2,8-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5H-5l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium
    —— (5S)-3-((1E)-3,3-dimethyl-1-buten-1-yl)-7-(5-fluoro-3-pyridinyl)spiro[chromeno[2,3-c]pyridine-5,4'-[1,3]oxazol]-2'-amine 1335295-38-9 C25H23FN4O2
    (5S)-3-((1E)-3,3-dimethyl-1-buten-1-yl)-7-(5-fluoro-3-pyridinyl)spiro[chromeno[2,3-c]pyridine-5,4'-[1,3]oxazol]-2'-amine
    —— 5-methyl-5-(R-amino)-5H-dibenzo[a,d]cycloheptene 89442-08-0 C16H15N
    5-methyl-5-(R-amino)-5H-dibenzo[a,d]cycloheptene
    —— (5-(4-(cyclobutylamino)-6-(quinoxalin-6-ylamino)pyridin-3-yl)-1,3,4-thiadiazol-2-yl)(3-hydroxypyrrolidin-1-yl)methanone 1447226-25-6 C24H24N8O2S
    (5-(4-(cyclobutylamino)-6-(quinoxalin-6-ylamino)pyridin-3-yl)-1,3,4-thiadiazol-2-yl)(3-hydroxypyrrolidin-1-yl)methanone
    —— 5-benzylidene-3,3'-(3-oxa-pentane-1,5-diyl)-bis-thiazolidine-2,4-dione 65791-47-1 C17H16N2O5S2
    5-benzylidene-3,3'-(3-oxa-pentane-1,5-diyl)-bis-thiazolidine-2,4-dione
    —— 5-[(1R)-1-(tert-butyldimethylsilanyloxy)pentyl]-(5S)-4-[(2S)-1,4-dioxaspiro[4.5]dec-2-yl]-5H-furan-2-one 1013910-10-5 C23H40O5Si
    5-[(1R)-1-(tert-butyldimethylsilanyloxy)pentyl]-(5S)-4-[(2S)-1,4-dioxaspiro[4.5]dec-2-yl]-5H-furan-2-one
    —— 5-Amino-4,6-dicyano-4'-methyl-biphenyl-3-carboxylic acid ethyl ester 129191-99-7 C18H15N3O2
    5-Amino-4,6-dicyano-4'-methyl-biphenyl-3-carboxylic acid ethyl ester
    —— 5-(1H-benzimidazol-2-yl)-3-methyl-1-phenyl-6-(3,4,5-trimethoxyphenyl)pyrazolo[3,4-b]pyridine 920849-28-1 C29H25N5O3
    5-(1H-benzimidazol-2-yl)-3-methyl-1-phenyl-6-(3,4,5-trimethoxyphenyl)pyrazolo[3,4-b]pyridine
    —— 5-(isoquinolin-6-yl)-8-methoxyquinoline 1221232-23-0 C19H14N2O
    5-(isoquinolin-6-yl)-8-methoxyquinoline
    —— 5-<i>tert</i>-butylamino-10-phenyl-10<i>H</i>-phenothiazinium; perchlorate 52156-18-0 C22H22N2S*ClHO4
    5-<i>tert</i>-butylamino-10-phenyl-10<i>H</i>-phenothiazinium; perchlorate
    —— 5-bromo-2-(2-methoxyethoxy)-N-(2-oxo-5-(2,4,6-trichlorophenyl)-2,3-dihydro-1H-benzo[e] [1,4]diazepin-3-yl)nicotinamide 1271524-28-7 C24H18BrCl3N4O4
    5-bromo-2-(2-methoxyethoxy)-N-(2-oxo-5-(2,4,6-trichlorophenyl)-2,3-dihydro-1H-benzo[e] [1,4]diazepin-3-yl)nicotinamide
    —— 5-chloro-6,2'-O-cyclouridine 86197-32-2 C9H9ClN2O6
    5-chloro-6,2'-O-cyclouridine
    —— 5-(2,2-dichloroacetyl)-3,4-dihydro-1H-1,5-benzodiazepin-2-one 138742-50-4 C11H10Cl2N2O2
    5-(2,2-dichloroacetyl)-3,4-dihydro-1H-1,5-benzodiazepin-2-one
    —— 5-methoxy-2,3-dimethyl-benzofuran-6-ylamine 15868-81-2 C11H13NO2
    5-methoxy-2,3-dimethyl-benzofuran-6-ylamine
    —— 5-{[4-(2-aminoethyl)piperazin-1-yl]carbonyl}-2-tert-butyl-N-(2-furylmethyl)pyrimidin-4-amine 1145746-95-7 C20H30N6O2
    5-{[4-(2-aminoethyl)piperazin-1-yl]carbonyl}-2-tert-butyl-N-(2-furylmethyl)pyrimidin-4-amine
    —— (5R)-5-[2-[4-[C-(4-ethylpiperazin-1-yl)-N-hydroxycarbonimidoyl]phenyl]ethynyl]-5-[(6-methoxy-1-oxo-3,4-dihydroisoquinolin-2-yl)methyl]imidazolidine-2,4-dione 1226989-86-1 C29H32N6O5
    (5R)-5-[2-[4-[C-(4-ethylpiperazin-1-yl)-N-hydroxycarbonimidoyl]phenyl]ethynyl]-5-[(6-methoxy-1-oxo-3,4-dihydroisoquinolin-2-yl)methyl]imidazolidine-2,4-dione
    —— 5-phenyl-2,3-dihydro-furan-2,3-dicarboxylic acid 861372-90-9 C12H10O5
    5-phenyl-2,3-dihydro-furan-2,3-dicarboxylic acid
    —— 5-Chlor-1,3-dimethyl-3,4-dihydro-isochinolin 21193-25-9 C11H12ClN
    5-Chlor-1,3-dimethyl-3,4-dihydro-isochinolin
    —— 5-(3,4-Dimethylphenylamino)barbitursaeure 5152-38-5 C12H13N3O3
    5-(3,4-Dimethylphenylamino)barbitursaeure
    —— (5-nitro-furan-2-yl)-carbamic acid isopropyl ester 21433-66-9 C8H10N2O5
    (5-nitro-furan-2-yl)-carbamic acid isopropyl ester
    —— 5-Methoxy-3,4-dimethyl-isocumarin 20882-94-4 C12H12O3
    5-Methoxy-3,4-dimethyl-isocumarin
    —— 5-Propyloxy-tetrazol 5585-13-7 C4H8N4O
    5-Propyloxy-tetrazol
    —— 5-(p-Toluolsulfonylamino)-3-(4-chlor-phenyl)-1.2.4-triazol 21358-08-7 C15H13ClN4O2S
    5-(p-Toluolsulfonylamino)-3-(4-chlor-phenyl)-1.2.4-triazol
    —— 5-benzoylamino-4-(4-diethylamino-2-methylsulfanyl-phenylimino)-2-phenyl-2,4-dihydro-pyrazol-3-one 4722-28-5 C27H27N5O2S
    5-benzoylamino-4-(4-diethylamino-2-methylsulfanyl-phenylimino)-2-phenyl-2,4-dihydro-pyrazol-3-one
    —— 5,11,17,23-tetraanisoyl-25,26,27,28-tetramethoxycalix<4>arene 99052-69-4 C64H56O12
    5,11,17,23-tetraanisoyl-25,26,27,28-tetramethoxycalix<4>arene
    —— 5-Hexadecyl-1.2.3.4-tetrazol 898-37-3 C17H34N4
    5-Hexadecyl-1.2.3.4-tetrazol
    —— 5-tert-butyl-4-cyano-2-methyl-2H-pyrazole-3-carboxylic acid 1332874-76-6 C10H13N3O2
    5-tert-butyl-4-cyano-2-methyl-2H-pyrazole-3-carboxylic acid
    —— [({5-[4-(2-fluoro-5-{[(2-fluoro-5-methylphenyl)amino]carbonyl}phenoxy)pyridin-2-yl]-1H-pyrrol-3-yl}carbonyl)amino]acetic acid 1268619-62-0 C26H20F2N4O5
    [({5-[4-(2-fluoro-5-{[(2-fluoro-5-methylphenyl)amino]carbonyl}phenoxy)pyridin-2-yl]-1H-pyrrol-3-yl}carbonyl)amino]acetic acid
    —— 5,5'-dimethyl-3,3,3',3'-tetrakis-trifluoromethyl-3<i>H</i>,3'<i>H</i>-1λ<sup>5</sup>-[1,1']spirobi(benzo[<i>c</i>][1,2]oxaphosphol)-1-ol; sodium salt 71401-84-8 C20H12F12O3P*Na
    5,5'-dimethyl-3,3,3',3'-tetrakis-trifluoromethyl-3<i>H</i>,3'<i>H</i>-1λ<sup>5</sup>-[1,1']spirobi(benzo[<i>c</i>][1,2]oxaphosphol)-1-ol; sodium salt
    —— 5-O-benzyl-1,2,3-tri-O-acetyl-D-ribofuranoside 124151-36-6 C18H22O8
    5-O-benzyl-1,2,3-tri-O-acetyl-D-ribofuranoside