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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5-Dimethoxy-1,3-bis(m-tolyl)-hydantoin 60669-71-8 C19H20N2O4
    5,5-Dimethoxy-1,3-bis(m-tolyl)-hydantoin
    —— 5α-Ranol-3,7,24,26-tetraacetat 3261-22-1 C34H54O9
    5α-Ranol-3,7,24,26-tetraacetat
    —— 5-(3-propoxyphenyl)-2-phenyl-1H-imidazole 1396162-26-7 C18H18N2O
    5-(3-propoxyphenyl)-2-phenyl-1H-imidazole
    —— 5-bromomethyl-2,3-dihydro-2-methoxy-3-phenyl-4-ethoxycarbonylfuran 136757-29-4 C15H16Br2O4
    5-bromomethyl-2,3-dihydro-2-methoxy-3-phenyl-4-ethoxycarbonylfuran
    —— 5,6-dihydro-6-(3-iodopropyl)-9-methoxy-5,11-dioxo-11H-indeno[1,2-c]isoquinoline 947517-31-9 C20H16INO3
    5,6-dihydro-6-(3-iodopropyl)-9-methoxy-5,11-dioxo-11H-indeno[1,2-c]isoquinoline
    —— 5-(4-methylpiperazin-1-yl)-2'-(3-nitrophenyl)-2,5'-bi-1H-benzimidazole 158667-52-8 C25H23N7O2
    5-(4-methylpiperazin-1-yl)-2'-(3-nitrophenyl)-2,5'-bi-1H-benzimidazole
    —— 5-tert-butyl-7-(3,3-difluoro-pyrrolidin-1-yl)-2-(2-methyl-2H-[1,2,4]triazol-3-ylmethyl)-2H-[1,2,3]triazolo[4,5-d]pyrimidine 1438466-25-1 C16H21F2N9
    5-tert-butyl-7-(3,3-difluoro-pyrrolidin-1-yl)-2-(2-methyl-2H-[1,2,4]triazol-3-ylmethyl)-2H-[1,2,3]triazolo[4,5-d]pyrimidine
    —— 5-Amino-7-(4-fluorophenyl)-2-(4-methylphenyl)-2,3-dihydro-1-benzothiophene-4,6-dicarbonitrile 1428259-05-5 C23H16FN3S
    5-Amino-7-(4-fluorophenyl)-2-(4-methylphenyl)-2,3-dihydro-1-benzothiophene-4,6-dicarbonitrile
    —— (5Ξ)-4t-((3aR)-6c-benzyloxy-2,2-dimethyl-(3ar,6ac)-tetrahydro-furo[2,3-d][1,3]dioxol-5c-yl)-2-oxy-4,5-dihydro-isoxazole-3,5r-dicarboxylic acid dimethyl ester 72671-93-3 C21H25NO10
    (5Ξ)-4t-((3aR)-6c-benzyloxy-2,2-dimethyl-(3ar,6ac)-tetrahydro-furo[2,3-d][1,3]dioxol-5c-yl)-2-oxy-4,5-dihydro-isoxazole-3,5r-dicarboxylic acid dimethyl ester
    —— 5-methoxy-2-styrylpyridine 1453491-48-9 C14H13NO
    5-methoxy-2-styrylpyridine
    —— (5-thiophen-2-yl-tetrazol-1-yl)-acetic acid ethyl ester 36852-96-7 C9H10N4O2S
    (5-thiophen-2-yl-tetrazol-1-yl)-acetic acid ethyl ester
    —— ({5-[ethoxycarbonyl]furan-2-yl}methyl)triphenylphosphonium chloride 24512-11-6 C26H24O3P*Cl
    ({5-[ethoxycarbonyl]furan-2-yl}methyl)triphenylphosphonium chloride
    —— (5Z)-4-amino-5-{[4-(benzyloxy)-3-methoxyphenyl]methylidene}-1,5-dihydro-2H-imidazol-2-one 1264752-36-4 C18H17N3O3
    (5Z)-4-amino-5-{[4-(benzyloxy)-3-methoxyphenyl]methylidene}-1,5-dihydro-2H-imidazol-2-one
    —— 5-methyl-9-phenyl-7-phenyldiazenyl-9H-tetrazolo[5',1':2,3]pyrimido[4,5-e][1,3,4]thiadiazine 1416162-36-1 C18H13N9S
    5-methyl-9-phenyl-7-phenyldiazenyl-9H-tetrazolo[5',1':2,3]pyrimido[4,5-e][1,3,4]thiadiazine
    —— 5-[5-(1-{5-[6-(piperazin-1-yl)pyridin-3-yl]-1,2,4-oxadiazol-3-yl}cyclobutyl)pyridin-2-yl]pyrimidin-2-amine 1369511-24-9 C24H25N9O
    5-[5-(1-{5-[6-(piperazin-1-yl)pyridin-3-yl]-1,2,4-oxadiazol-3-yl}cyclobutyl)pyridin-2-yl]pyrimidin-2-amine
    —— (+)589-bis((SS)-o-phenylenebis(methylphenylarsine))platinum(II) hexafluorophosphate 77096-18-5 C40H40As4Pt*2F6P
    (+)589-bis((SS)-o-phenylenebis(methylphenylarsine))platinum(II) hexafluorophosphate
    —— 5,6-dimethyl-3-(pyridin-2-yl)benzo[d]isoxazole-4,7-diol 1449422-09-6 C14H12N2O3
    5,6-dimethyl-3-(pyridin-2-yl)benzo[d]isoxazole-4,7-diol
    —— 5-(3,4-difluorobenzyl)-3-(3,4-difluorophenyl)-1H-pyrazole 1422144-32-8 C16H10F4N2
    5-(3,4-difluorobenzyl)-3-(3,4-difluorophenyl)-1H-pyrazole
    —— 5-(2-Chlorophenoxymethyl)-2-(furylidenimino)-1,3,4-thiadiazole 123282-35-9 C14H10ClN3O2S
    5-(2-Chlorophenoxymethyl)-2-(furylidenimino)-1,3,4-thiadiazole
    —— 5-allyloxy-2,2-dimethyl-1-(phenyl)methyleneindane 171182-11-9 C21H22O
    5-allyloxy-2,2-dimethyl-1-(phenyl)methyleneindane
    —— 5-amino-8-(2-furyl)-1-methyl-3-(2-morpholinoethyl)-[1,2,4]triazolo[5,1-f]purin-2-one 1367365-30-7 C17H20N8O3
    5-amino-8-(2-furyl)-1-methyl-3-(2-morpholinoethyl)-[1,2,4]triazolo[5,1-f]purin-2-one
    —— [5-Methyl-2-(1-phenyl-cyclohexyl)-oxazol-4-yl]-acetic acid 107368-00-3 C18H21NO3
    [5-Methyl-2-(1-phenyl-cyclohexyl)-oxazol-4-yl]-acetic acid
    —— 5-Ethoxy-2-amino-4.6-dichlorpyrimidin 89466-75-1 C6H7Cl2N3O
    5-Ethoxy-2-amino-4.6-dichlorpyrimidin
    —— 5'-(4-methylphenyl)-4'-[3-methyl-5-thioxo-1H-1,2,4-triazol-4(5H)-yl]-2',5'-diphenyl-2',4'-dihydrospiro(indolin-3,3'[1,2,4]triazol)-2-one 1606126-05-9 C25H21N7OS
    5'-(4-methylphenyl)-4'-[3-methyl-5-thioxo-1H-1,2,4-triazol-4(5H)-yl]-2',5'-diphenyl-2',4'-dihydrospiro(indolin-3,3'[1,2,4]triazol)-2-one
    —— 5-amino-6-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-6-phenylenanthylic acid 112920-99-7 C23H27N3O3
    5-amino-6-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-6-phenylenanthylic acid
    —— 5-(3-(hydroxymethyl)phenyl)thienyl-2-sulfonamide 1620108-54-4 C11H11NO3S2
    5-(3-(hydroxymethyl)phenyl)thienyl-2-sulfonamide
    —— 5(4H)-oxothieno[3,2-b]pyridine-6-carbonitrile 103415-60-7 C8H4N2OS
    5(4H)-oxothieno[3,2-b]pyridine-6-carbonitrile
    —— 5-amino-6-cyano-7-methylthio-1-phenylpyrido<2,3-d>pyrimidine-2,4(1H,3H)-dione 90254-48-1 C15H11N5O2S
    5-amino-6-cyano-7-methylthio-1-phenylpyrido<2,3-d>pyrimidine-2,4(1H,3H)-dione
    —— 5-Brom-3,6,6-trimethyl-tetrahydro-2H-1,3-oxazin-2-on 107262-12-4 C7H12BrNO2
    5-Brom-3,6,6-trimethyl-tetrahydro-2H-1,3-oxazin-2-on
    —— 5-amino-8-methoxy-4-phenylquinolin-2(1H)-one 312325-59-0 C16H14N2O2
    5-amino-8-methoxy-4-phenylquinolin-2(1H)-one
    —— 5-ethyl-2-[(2,4-difluorophenacyl)thio]-4,6-di(p-tolylsulfonyloxy)pyrimidine 875094-81-8 C28H24F2N2O7S3
    5-ethyl-2-[(2,4-difluorophenacyl)thio]-4,6-di(p-tolylsulfonyloxy)pyrimidine
    —— 5-(4-chloro-3-methylphenyl)-6-(2-methoxyethoxy)-N-((3-(trifluoromethyl)-1,2,4-oxadiazol-5-yl)methyl)nicotinamide 1364676-76-5 C20H18ClF3N4O4
    5-(4-chloro-3-methylphenyl)-6-(2-methoxyethoxy)-N-((3-(trifluoromethyl)-1,2,4-oxadiazol-5-yl)methyl)nicotinamide
    —— 5,6-Diamino-1-(2-furanylmethyl)-3-methyl-2,4(1H,3H)-pyrimidinedione 82593-41-7 C10H12N4O3
    5,6-Diamino-1-(2-furanylmethyl)-3-methyl-2,4(1H,3H)-pyrimidinedione
    —— 5-[methyl-[(1R)-1-phenylethyl]amino]-3,4-bis(trimethylsilyl)-3H-furan-2-one 300809-98-7 C19H31NO2Si2
    5-[methyl-[(1R)-1-phenylethyl]amino]-3,4-bis(trimethylsilyl)-3H-furan-2-one
    —— 5,17-bis[(R)-(-)-1-(1-naphthyl)ethylureido]-24,25,26,27-tetrapropoxycalix[4]arene 1076207-20-9 C66H72N4O6
    5,17-bis[(R)-(-)-1-(1-naphthyl)ethylureido]-24,25,26,27-tetrapropoxycalix[4]arene
    —— 5-methyl-1,7-diphenyl-5-((trimethylsilyl)oxy)heptan-3-one 1286204-71-4 C23H32O2Si
    5-methyl-1,7-diphenyl-5-((trimethylsilyl)oxy)heptan-3-one
    —— 5-Hydroxy-5-(4-methoxy-phenyl)-1-methyl-5H-indeno[1,2-b]pyridinium; iodide 108078-87-1 C20H18NO2*I
    5-Hydroxy-5-(4-methoxy-phenyl)-1-methyl-5H-indeno[1,2-b]pyridinium; iodide
    —— 5-Acetyl-2,3-dihydro-6-methylthio-1,2-diphenyl-4(1H)-pyridone 101934-76-3 C20H19NO2S
    5-Acetyl-2,3-dihydro-6-methylthio-1,2-diphenyl-4(1H)-pyridone
    —— [5-(2-Benzo[1,3]dioxol-5-yl-2,3-dihydro-benzo[b][1,4]thiazepin-4-yl)-6-hydroxy-3-methyl-benzofuran-2-yl]-phenyl-methanone 198343-14-5 C32H23NO5S
    [5-(2-Benzo[1,3]dioxol-5-yl-2,3-dihydro-benzo[b][1,4]thiazepin-4-yl)-6-hydroxy-3-methyl-benzofuran-2-yl]-phenyl-methanone
    —— 5-(trifluoromethyl)-1,2,3,4-tetraphenylnaphthalene 38382-49-9 C35H23F3
    5-(trifluoromethyl)-1,2,3,4-tetraphenylnaphthalene
    —— (5R,6S)-6-(3-furyl)-5-hydroxypiperidin-2-one 1449291-87-5 C9H11NO3
    (5R,6S)-6-(3-furyl)-5-hydroxypiperidin-2-one
    —— 5-(5-methoxy-2-nitrophenyl)-1H-pyrrole-2-carbonyl chloride 1072149-68-8 C12H9ClN2O4
    5-(5-methoxy-2-nitrophenyl)-1H-pyrrole-2-carbonyl chloride
    —— 5,5-dimethyl-3-oxocyclohex-1-en-1-yl (9E)-octadec-9-enoate 1146532-95-7 C26H44O3
    5,5-dimethyl-3-oxocyclohex-1-en-1-yl (9E)-octadec-9-enoate
    —— 5,7-dimethoxy-8-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-2H-1-benzopyran-2-one 163356-62-5 C45H44O9
    5,7-dimethoxy-8-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-2H-1-benzopyran-2-one
    —— 5-ethyl-6-methyl-2,3-di-p-tolyl-3H-pyrimidin-4-one 102660-46-8 C21H22N2O
    5-ethyl-6-methyl-2,3-di-p-tolyl-3H-pyrimidin-4-one
    —— 5-(4-chloro-styryl)-2,2-dimethyl-oxazolidin-4-one 725-82-6 C13H14ClNO2
    5-(4-chloro-styryl)-2,2-dimethyl-oxazolidin-4-one
    —— 5-iodo-1,2,6,7-tetrahydro-5H-azepino[3,2,1-hi]indol-4-one 313352-37-3 C12H12INO
    5-iodo-1,2,6,7-tetrahydro-5H-azepino[3,2,1-hi]indol-4-one
    —— (5-diisopropylamino-3-oxapentyl)dimethylethylammonium bromide 1206200-94-3 Br*C14H33N2O
    (5-diisopropylamino-3-oxapentyl)dimethylethylammonium bromide
    —— (5-phenyl-[1,2,3]triazolo[1,5-a]pyridin-3-yl)methanol 1002308-79-3 C13H11N3O
    (5-phenyl-[1,2,3]triazolo[1,5-a]pyridin-3-yl)methanol
    —— (5α)-6β-cyanomethylcholestane 185384-91-2 C29H49N
    (5α)-6β-cyanomethylcholestane