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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-amino-2-(2-oxo-pyrrolidin-1-yl)-benzonitrile 853910-23-3 C11H11N3O
    5-amino-2-(2-oxo-pyrrolidin-1-yl)-benzonitrile
    —— 5-(4-hydroxy-3-methoxyphenyl)-3H-1,3,4-oxadiazole-2-thione 1391739-44-8 C9H8N2O3S
    5-(4-hydroxy-3-methoxyphenyl)-3H-1,3,4-oxadiazole-2-thione
    —— 5-{2-[5-(2-methyl-pyrimidin-5-ylmethyl)-4-oxo-1,4-dihydro-pyrimidin-2-ylamino]-ethyl}-2-(5-trifluoromethyl-pyridin-2-yloxy)-benzonitrile 1380429-05-9 C25H20F3N7O2
    5-{2-[5-(2-methyl-pyrimidin-5-ylmethyl)-4-oxo-1,4-dihydro-pyrimidin-2-ylamino]-ethyl}-2-(5-trifluoromethyl-pyridin-2-yloxy)-benzonitrile
    —— 5-(2-biphenyl-4-yl-2-oxoethoxy)-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester 692259-01-1 C20H18N2O4
    5-(2-biphenyl-4-yl-2-oxoethoxy)-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester
    —— 5-bromo-5-[bromo-(4-chloro-phenyl)-methyl]-3-(6-chloro-benzothiazol-2-yl)-2-thioxo-imidazolidin-4-one 59362-29-7 C17H9Br2Cl2N3OS2
    5-bromo-5-[bromo-(4-chloro-phenyl)-methyl]-3-(6-chloro-benzothiazol-2-yl)-2-thioxo-imidazolidin-4-one
    —— (5S,6S,E)-ethyl 6-(benzyloxycarbonylamino)-7-hydroxy-5-phenylhept-2-enoate 1187592-07-9 C23H27NO5
    (5S,6S,E)-ethyl 6-(benzyloxycarbonylamino)-7-hydroxy-5-phenylhept-2-enoate
    —— 5-[6-((S)-1-propionyl-pyrrolidin-3-yloxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-pyridine-3-sulfonic acid N-methoxy-N-methyl-amide 1445999-02-9 C22H28N4O6S
    5-[6-((S)-1-propionyl-pyrrolidin-3-yloxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-pyridine-3-sulfonic acid N-methoxy-N-methyl-amide
    —— 5-[2-(4,6-Dimethylpyrimidin-2-yl)-1,3-thiazol-4-yl]-4-methyl-2-pyridin-3-yl-1,3-thiazole 1204611-04-0 C18H15N5S2
    5-[2-(4,6-Dimethylpyrimidin-2-yl)-1,3-thiazol-4-yl]-4-methyl-2-pyridin-3-yl-1,3-thiazole
    —— 5-(3-Dimethylaminopropyl)-5,6,11,12-tetrahydrodibenz<b,f>azocin-6,12-dion 27467-18-1 C20H22N2O2
    5-(3-Dimethylaminopropyl)-5,6,11,12-tetrahydrodibenz<b,f>azocin-6,12-dion
    —— 5-chloro-2-[5-(4-methoxy-phenyl)-[1,3,4]thiadiazol-2-yl]-benzooxazole 43038-00-2 C16H10ClN3O2S
    5-chloro-2-[5-(4-methoxy-phenyl)-[1,3,4]thiadiazol-2-yl]-benzooxazole
    —— (5Z,7E,22E)-(1S,3R,24R)-20-methyl-25-(5-methyloxazol-2-yl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol 198762-93-5 C32H45NO4
    (5Z,7E,22E)-(1S,3R,24R)-20-methyl-25-(5-methyloxazol-2-yl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol
    —— 5,6,5'-trimethyl-1<i>H</i>,1'(3')<i>H</i>-2,2'-methanediyl-bis-benzoimidazole 3708-63-2 C18H18N4
    5,6,5'-trimethyl-1<i>H</i>,1'(3')<i>H</i>-2,2'-methanediyl-bis-benzoimidazole
    —— 5-α-cholest-2-ene 79897-78-2 C28H48
    5-α-cholest-2-ene
    —— 5,6,8-Trichloro-7-methoxy-quinoxaline 90483-68-4 C9H5Cl3N2O
    5,6,8-Trichloro-7-methoxy-quinoxaline
    —— [5-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-1-methyl-1H-pyrazol-3-yloxy]acetic acid 574005-44-0 C17H22N6O5
    [5-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-1-methyl-1H-pyrazol-3-yloxy]acetic acid
    —— 5-(trimethylsilylethynyl)-2'-deoxy-3',5'-di(triisopropylsilyl)cytidine 605663-60-3 C32H61N3O4Si3
    5-(trimethylsilylethynyl)-2'-deoxy-3',5'-di(triisopropylsilyl)cytidine
    —— 5-[(3-aminopiperidin-1-yl)carbonyl]-N-(2-furylmethyl)-2-(2-thienyl)pyrimidin-4-amine 1145747-12-1 C19H21N5O2S
    5-[(3-aminopiperidin-1-yl)carbonyl]-N-(2-furylmethyl)-2-(2-thienyl)pyrimidin-4-amine
    —— 5-acetyl-6-methyl-2-(4-methoxyphenyl)-4-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosylthio)pyrimidine 1204007-27-1 C28H32N2O11S
    5-acetyl-6-methyl-2-(4-methoxyphenyl)-4-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosylthio)pyrimidine
    —— 5-Heptyl-3-hydroxy-dihydro-furan-2-one 272781-79-0 C11H20O3
    5-Heptyl-3-hydroxy-dihydro-furan-2-one
    —— 5,6-di-O-acetyl-3-O-benzyl-1,2-O-isopropylidene-α-D-galactofuranose 313360-58-6 C20H26O8
    5,6-di-O-acetyl-3-O-benzyl-1,2-O-isopropylidene-α-D-galactofuranose
    —— 5-Phenyl-3-<1-phenyl-3-carboxy-propyliden>-pyrrolon-(2) 14304-36-0 C20H17NO3
    5-Phenyl-3-<1-phenyl-3-carboxy-propyliden>-pyrrolon-(2)
    —— 5-(2-benzoylcyclopropyl)pentanal 1262863-48-8 C15H18O2
    5-(2-benzoylcyclopropyl)pentanal
    —— 5-cyano-6-morpholinopicolinic acid 1198296-80-8 C11H11N3O3
    5-cyano-6-morpholinopicolinic acid
    —— 5-tert-butyl-N-(4-methyl-3-(2-(6-methylaminopyrimidin-4-yl)-5-(morpholin-4-ylmethyl)-2H-pyrazol-3-ylamino)phenyl)-nicotinamide 1018469-94-7 C30H37N9O2
    5-tert-butyl-N-(4-methyl-3-(2-(6-methylaminopyrimidin-4-yl)-5-(morpholin-4-ylmethyl)-2H-pyrazol-3-ylamino)phenyl)-nicotinamide
    —— 5-[[(2-butyl-1,3-dioxobenzo[de]isoquinolin-6-yl)amino]carbamoyl]-N-(diaminomethylidene)-1H-pyrrole-2-carboxamide 1068661-46-0 C23H23N7O4
    5-[[(2-butyl-1,3-dioxobenzo[de]isoquinolin-6-yl)amino]carbamoyl]-N-(diaminomethylidene)-1H-pyrrole-2-carboxamide
    —— 5-ethyl-2-methyl-1-{[5-(4-methylphenyl)isoxazol-4-yl]carbonyl}piperidine 1003559-01-0 C19H24N2O2
    5-ethyl-2-methyl-1-{[5-(4-methylphenyl)isoxazol-4-yl]carbonyl}piperidine
    —— 5-(N-propyl-N-methylaminocarbonyl)-3-(2-chlorobenzyl)-6-hydroxy-1H-indazole 1001191-79-2 C19H20ClN3O2
    5-(N-propyl-N-methylaminocarbonyl)-3-(2-chlorobenzyl)-6-hydroxy-1H-indazole
    —— 5-Ethoxy-8-isopropyl-1,2,3,4-tetrahydro-benzo[a]azulene-10-carbonitrile 128637-78-5 C20H23NO
    5-Ethoxy-8-isopropyl-1,2,3,4-tetrahydro-benzo[a]azulene-10-carbonitrile
    —— (5-methoxy-1-propyl-1,3,4,9-tetrahydro-pyrano[3,4-<i>b</i>]indol-1-yl)-acetic acid 41340-18-5 C17H21NO4
    (5-methoxy-1-propyl-1,3,4,9-tetrahydro-pyrano[3,4-<i>b</i>]indol-1-yl)-acetic acid
    —— (5Z)-5-{2-(4-(dimethylamino)piperidin-1-yl)-4,5-dimethoxybenzylidene}-thiazolidine-2,4-dione 1203793-69-4 C19H25N3O4S
    (5Z)-5-{2-(4-(dimethylamino)piperidin-1-yl)-4,5-dimethoxybenzylidene}-thiazolidine-2,4-dione
    —— 5-{(R)-3-[1-(3-isopropyl-[1,2,4]oxadiazol-5-yl)piperidin-4-yl]butoxy}-2,3-dihydroisoindol-1-one 1204309-92-1 C22H30N4O3
    5-{(R)-3-[1-(3-isopropyl-[1,2,4]oxadiazol-5-yl)piperidin-4-yl]butoxy}-2,3-dihydroisoindol-1-one
    —— 5-methyl-4,7-diphenylbenzo[b]thiophen-6-ol 1433028-56-8 C21H16OS
    5-methyl-4,7-diphenylbenzo[b]thiophen-6-ol
    —— 5-(N,N-Dibenzylglycyl)-2-[2'-(2-ethoxyphenoxy)ethoxy]benzamide 54646-27-4 C33H34N2O5
    5-(N,N-Dibenzylglycyl)-2-[2'-(2-ethoxyphenoxy)ethoxy]benzamide
    —— 5-<Tris-(difluoramino)methyl>tetrazol 20139-17-7 C2HF6N7
    5-<Tris-(difluoramino)methyl>tetrazol
    —— 5-Nitro-2-(4-phenylsulfanyl-naphthalen-1-ylazo)-benzonitrile 129695-86-9 C23H14N4O2S
    5-Nitro-2-(4-phenylsulfanyl-naphthalen-1-ylazo)-benzonitrile
    —— 5,8,13,16-tetrahydro-6,14-dioxa-7,15-diaza-dibenzo[<i>a</i>,<i>g</i>]cyclododecene-7,15-dicarboxylic acid diethyl ester 14976-33-1 C22H26N2O6
    5,8,13,16-tetrahydro-6,14-dioxa-7,15-diaza-dibenzo[<i>a</i>,<i>g</i>]cyclododecene-7,15-dicarboxylic acid diethyl ester
    —— 5-(4-Chloro-3-methyl-phenyl)-3-oxo-cyclohex-4-ene-1,2-dicarboxylic acid 2-ethyl ester 84797-15-9 C17H17ClO5
    5-(4-Chloro-3-methyl-phenyl)-3-oxo-cyclohex-4-ene-1,2-dicarboxylic acid 2-ethyl ester
    —— 5-(Hexahydro-1H-azepin-1-yl)-1-methyl-N-(2-nitrobenzyliden)-1H-1,2,4-triazol-3-amin 86123-78-6 C16H20N6O2
    5-(Hexahydro-1H-azepin-1-yl)-1-methyl-N-(2-nitrobenzyliden)-1H-1,2,4-triazol-3-amin
    —— 5-methyl hydrogen 6,8,10-trimethyl-1-[(1E,3E)-4-phenylbuta-1,3-dien-1-yl]heptalene-4,5-dicarboxylate 1454589-32-2 C28H26O4
    5-methyl hydrogen 6,8,10-trimethyl-1-[(1E,3E)-4-phenylbuta-1,3-dien-1-yl]heptalene-4,5-dicarboxylate
    —— 5-(4-oxazol-5-yl-phenylamino)-3,4-dihydro-1H-pyrido[2,3-d]pyrimidin-2-one 1265636-70-1 C16H13N5O2
    5-(4-oxazol-5-yl-phenylamino)-3,4-dihydro-1H-pyrido[2,3-d]pyrimidin-2-one
    —— (5R)-5-((S)-4,5-dimethoxy-1,3-dihydroisobenzofuran-1-yl)-N-ethyl-9-(2-fluorophenyl)-4-methoxy-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline-6(5H)-carboxamide 1596347-28-2 C30H31FN2O7
    (5R)-5-((S)-4,5-dimethoxy-1,3-dihydroisobenzofuran-1-yl)-N-ethyl-9-(2-fluorophenyl)-4-methoxy-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline-6(5H)-carboxamide
    —— 5H-Octafluorvaleriansaeure-anhydrid 107910-35-0 C10H2F16O3
    5H-Octafluorvaleriansaeure-anhydrid
    —— 5-(3-methyl-thioureido)-[1,2,3]thiadiazole-4-carboxylic acid isopropylamide 40764-92-9 C8H13N5OS2
    5-(3-methyl-thioureido)-[1,2,3]thiadiazole-4-carboxylic acid isopropylamide
    —— 5-acetoxy-2-bromoindolizine-7-carboxylic acid ethyl ester 1453472-02-0 C13H12BrNO4
    5-acetoxy-2-bromoindolizine-7-carboxylic acid ethyl ester
    —— 5-(dimethylamino)-N-((1-methyl-1H-imidazol-2-yl)methyl)-N-(2-(pyridin-2-yl)ethyl)naphthalene-1-sulfonamide 1286762-96-6 C24H27N5O2S
    5-(dimethylamino)-N-((1-methyl-1H-imidazol-2-yl)methyl)-N-(2-(pyridin-2-yl)ethyl)naphthalene-1-sulfonamide
    —— 5-{4-(2-[7-(N,N-dimethylaminomethyl)-6-(1-hydroxymethylcyclopropylmethoxy)benz[d]isoxazol-3-yl]ethyl)piperidinomethyl}thiophene-2-carbonitrile 956519-80-5 C28H36N4O3S
    5-{4-(2-[7-(N,N-dimethylaminomethyl)-6-(1-hydroxymethylcyclopropylmethoxy)benz[d]isoxazol-3-yl]ethyl)piperidinomethyl}thiophene-2-carbonitrile
    —— 5-Chloro-2-(2-methoxyphenylthio)acetophenone 81223-27-0 C15H13ClO2S
    5-Chloro-2-(2-methoxyphenylthio)acetophenone
    —— 5-methoxy-1,2-dimethyl-1H-indole-3-carboxylic acid 3,5-difluoro-benzylamide 945917-54-4 C19H18F2N2O2
    5-methoxy-1,2-dimethyl-1H-indole-3-carboxylic acid 3,5-difluoro-benzylamide
    —— 5-[(tetrahydro-2H-pyran-2-yl)oxy]-2H-chromene-3-carbaldehyde 1298093-51-2 C15H16O4
    5-[(tetrahydro-2H-pyran-2-yl)oxy]-2H-chromene-3-carbaldehyde
    —— 5-methyl-2-(tetrahydrofuran-2-yl)benzoxazole 1332362-52-3 C12H13NO2
    5-methyl-2-(tetrahydrofuran-2-yl)benzoxazole