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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(2-(3-chloro-[1<sub>.</sub>2,4]triazolo[4,3-b]pyridazin-6-yloxy)-4-(trifluoromethyl)phenyl)pyridin-2(1H)-one 1429025-42-2 C17H9ClF3N5O2
    5-(2-(3-chloro-[1<sub>.</sub>2,4]triazolo[4,3-b]pyridazin-6-yloxy)-4-(trifluoromethyl)phenyl)pyridin-2(1H)-one
    —— 5-Dibenzylamino-4-hydroxy-4-phenyl-1-oxacyclo-octan-2-one 129108-74-3 C27H29NO3
    5-Dibenzylamino-4-hydroxy-4-phenyl-1-oxacyclo-octan-2-one
    —— 5-(1,3-benzothiazol-2-yl)-6-chloro-N-[(2,2-dimethyl-1,3-dioxolan-4-yl)methyl]-2-(morpholin-4-yl)pyrimidin-4-amine 1433179-28-2 C21H24ClN5O3S
    5-(1,3-benzothiazol-2-yl)-6-chloro-N-[(2,2-dimethyl-1,3-dioxolan-4-yl)methyl]-2-(morpholin-4-yl)pyrimidin-4-amine
    —— (5'R,6R,7S)-3-acetoxymethyl-4'-oxo-5'-phenylspiro(1',3'-oxazolidine-2',7-ceph-3-em)-4-carboxylic acid 95107-29-2 C18H16N2O7S
    (5'R,6R,7S)-3-acetoxymethyl-4'-oxo-5'-phenylspiro(1',3'-oxazolidine-2',7-ceph-3-em)-4-carboxylic acid
    —— 5-fluoro-7-(p-tolyl)indolin-2-one 1247691-85-5 C15H12FNO
    5-fluoro-7-(p-tolyl)indolin-2-one
    —— 5-(4-nitro-benzylidene)-3-(4-nitro-benzylideneamino)-thiazolidine-2,4-dione 18792-61-5 C17H10N4O6S
    5-(4-nitro-benzylidene)-3-(4-nitro-benzylideneamino)-thiazolidine-2,4-dione
    —— 5,7-Dimethoxy-1,2,3,4-tetrahydro-dibenzofuranon-(3) 92190-90-4 C14H14O4
    5,7-Dimethoxy-1,2,3,4-tetrahydro-dibenzofuranon-(3)
    —— 5-Ethoxycarbonyl-5-hydroxy-3-phenyl-hydantoin 91559-71-6 C12H12N2O5
    5-Ethoxycarbonyl-5-hydroxy-3-phenyl-hydantoin
    —— 5,5-Dimethyl-3-mesityloxy-2-jodo-cyclohexen-(2)-on 29775-92-6 C17H21IO2
    5,5-Dimethyl-3-mesityloxy-2-jodo-cyclohexen-(2)-on
    —— 5β-Isopropyl-A-norcholestan-3-on 39932-89-3 C29H50O
    5β-Isopropyl-A-norcholestan-3-on
    —— 5-chloro-6-[(2,4-difluorophenyl)thio]-3-isopropyl[1,2,4]triazolo[4,3-a]pyridine 876372-48-4 C15H12ClF2N3S
    5-chloro-6-[(2,4-difluorophenyl)thio]-3-isopropyl[1,2,4]triazolo[4,3-a]pyridine
    —— 5-(p-methylphenoxy)benzo<f>pyrimido<4,5-b><1,8>naphthyridine-9,11(8H,10H)-dione 133858-17-0 C21H14N4O3
    5-(p-methylphenoxy)benzo<f>pyrimido<4,5-b><1,8>naphthyridine-9,11(8H,10H)-dione
    —— 5,6-Dimethoxy-5'-brom-2,3'-biindolyl 94331-77-8 C18H15BrN2O2
    5,6-Dimethoxy-5'-brom-2,3'-biindolyl
    —— 5-Amino-4-methylamino-2-dimethylamino-6-oxo-dihydro-pyrimidin 61693-35-4 C7H13N5O
    5-Amino-4-methylamino-2-dimethylamino-6-oxo-dihydro-pyrimidin
    —— 5-Chloro-1-(2-oxo-2-piperazin-1-yl-ethyl)-1H-indole-2,3-dione 319492-17-6 C14H14ClN3O3
    5-Chloro-1-(2-oxo-2-piperazin-1-yl-ethyl)-1H-indole-2,3-dione
    —— 5,8-dihydroxy-7-methoxy-2,6-dimethyl-chromen-4-one 106167-64-0 C12H12O5
    5,8-dihydroxy-7-methoxy-2,6-dimethyl-chromen-4-one
    —— 5-undecyl-2-vinyl-2H-tetrazole 1219537-16-2 C14H26N4
    5-undecyl-2-vinyl-2H-tetrazole
    —— (5Z,10Z,14Z,19Z)-5,15-Dinonyl-10,20-bis-(6,7,9,10,12,13,15,16-octahydro-5,8,11,14,17-pentaoxa-benzocyclopentadecen-2-yl)-porphyrin 124362-43-2 C66H86N4O10
    (5Z,10Z,14Z,19Z)-5,15-Dinonyl-10,20-bis-(6,7,9,10,12,13,15,16-octahydro-5,8,11,14,17-pentaoxa-benzocyclopentadecen-2-yl)-porphyrin
    —— 5-Iod-3,4-dimethoxy-β-methyl-β-nitrostyrol 91349-75-6 C11H12INO4
    5-Iod-3,4-dimethoxy-β-methyl-β-nitrostyrol
    —— 5-Chlor-2,4-dimethoxy-3-methyl-phthalsaeure-anhydrid 20375-23-9 C11H9ClO5
    5-Chlor-2,4-dimethoxy-3-methyl-phthalsaeure-anhydrid
    —— 5,6,6a,7,8,12b-Hexahydro-3-methyl-benzo<c>phenanthrendiol-(5,8) 106598-50-9 C19H20O2
    5,6,6a,7,8,12b-Hexahydro-3-methyl-benzo<c>phenanthrendiol-(5,8)
    —— 5-[[1-[1-(3,4-dimethylphenyl)-2-oxoindol-3-ylidene]ethylamino]carbamoyl]thiophene-2-carboxylic acid 1247692-43-8 C24H21N3O4S
    5-[[1-[1-(3,4-dimethylphenyl)-2-oxoindol-3-ylidene]ethylamino]carbamoyl]thiophene-2-carboxylic acid
    —— (5-chloro-2-[1,2,3]triazol-2-ylphenyl)-{(S)-2-[3-(2-trifluoromethylphenyl)-[1,2,4]oxadiazol-5-yl]pyrrolidin-1-yl}methanone 1597520-10-9 C22H16ClF3N6O2
    (5-chloro-2-[1,2,3]triazol-2-ylphenyl)-{(S)-2-[3-(2-trifluoromethylphenyl)-[1,2,4]oxadiazol-5-yl]pyrrolidin-1-yl}methanone
    —— 5-Methoxy-4-[(4-methoxyphenyl)methyl]-8-(1-methylpyrazol-4-yl)pyrido[4,3-b][1,4]oxazin-3-one 1590410-13-1 C20H20N4O4
    5-Methoxy-4-[(4-methoxyphenyl)methyl]-8-(1-methylpyrazol-4-yl)pyrido[4,3-b][1,4]oxazin-3-one
    —— 5-(4-Methoxy-phenyl)-3-[1-phenyl-meth-(E)-ylidene]-3H-furan-2-thione 101536-91-8 C18H14O2S
    5-(4-Methoxy-phenyl)-3-[1-phenyl-meth-(E)-ylidene]-3H-furan-2-thione
    —— 5-bromo-2-methylidene-3H-1-benzofuran-3-ol 1384475-81-3 C9H7BrO2
    5-bromo-2-methylidene-3H-1-benzofuran-3-ol
    —— 5-bromo-1H-indazole-7-carbonitrile 1360884-94-1 C8H4BrN3
    5-bromo-1H-indazole-7-carbonitrile
    —— 5-Butyl-6-ethoxy-3-phenyl-6-trimethylsilyloxy-5,6-dihydro-4H-1,2-oxazine 139620-50-1 C19H31NO3Si
    5-Butyl-6-ethoxy-3-phenyl-6-trimethylsilyloxy-5,6-dihydro-4H-1,2-oxazine
    —— 5-acetyl-3-phenyl-4,5-dihydroisoxazole-5-carboxylic acid methyl ester 1613364-69-4 C13H13NO4
    5-acetyl-3-phenyl-4,5-dihydroisoxazole-5-carboxylic acid methyl ester
    —— 5-Hydroxy-3-benzoyloxy-7-methoxy-3',4'-diphenylmethylendioxy-flavon 98879-50-6 C36H24O8
    5-Hydroxy-3-benzoyloxy-7-methoxy-3',4'-diphenylmethylendioxy-flavon
    —— 5-Dimethylamino-8-phenylsulfonyl-1,4-dihydronaphthalin-1,4-endoxid 95218-98-7 C18H17NO3S
    5-Dimethylamino-8-phenylsulfonyl-1,4-dihydronaphthalin-1,4-endoxid
    —— 5,10-Diphenyl-benzo<b>biphenylen 103369-89-7 C28H18
    5,10-Diphenyl-benzo<b>biphenylen
    —— 5-Cyclopropylidene-cyclopenta-1,3-diene 55310-70-8 C8H8
    5-Cyclopropylidene-cyclopenta-1,3-diene
    —— 5'-O-(4,4'-dimethoxytrityl)-2'-O-(2-phthalimidoethyl)-N<sup>2</sup>-isobutyrylguanosine-3'-O-(2-cyanoethyl-N,N-diisopropyl)phosphoroamidite 1037523-45-7 C54H61N8O11P
    5'-O-(4,4'-dimethoxytrityl)-2'-O-(2-phthalimidoethyl)-N<sup>2</sup>-isobutyrylguanosine-3'-O-(2-cyanoethyl-N,N-diisopropyl)phosphoroamidite
    —— (5R,8R)-1,12-Bis(benzyloxy)-5,8-dodecanediol 131618-56-9 C26H38O4
    (5R,8R)-1,12-Bis(benzyloxy)-5,8-dodecanediol
    —— [5-(R)-(1-(R)-methoxymethoxy-tridecyl)tetrahydrofuran-2-(R)-yl]methanol 227186-05-2 C20H40O4
    [5-(R)-(1-(R)-methoxymethoxy-tridecyl)tetrahydrofuran-2-(R)-yl]methanol
    —— 5-Methyl-2-[3-oxo-3H-isobenzofuran-(1Z)-ylidene]-hex-4-enoic acid methyl ester 133591-21-6 C16H16O4
    5-Methyl-2-[3-oxo-3H-isobenzofuran-(1Z)-ylidene]-hex-4-enoic acid methyl ester
    —— 5-methyl-2-phenyl-2<i>H</i>-pyrazole-3-carbonitrile 65735-09-3 C11H9N3
    5-methyl-2-phenyl-2<i>H</i>-pyrazole-3-carbonitrile
    —— 5-tert-butyl-1,3-bis(5-tert-butyl-2-methoxybenzyl)-2-methoxybenzene 115760-16-2 C35H48O3
    5-tert-butyl-1,3-bis(5-tert-butyl-2-methoxybenzyl)-2-methoxybenzene
    —— 5-[1-(2-Chloro-phenyl)-meth-(Z)-ylidene]-6-methyl-2-(2-morpholin-4-yl-ethyl)-4,5-dihydro-2H-pyridazin-3-one; hydrochloride 118345-65-6 C18H22ClN3O2*ClH
    5-[1-(2-Chloro-phenyl)-meth-(Z)-ylidene]-6-methyl-2-(2-morpholin-4-yl-ethyl)-4,5-dihydro-2H-pyridazin-3-one; hydrochloride
    —— 5-[(chloromethyl)sulfonyl]-2-(methylsulfanyl)benzimidazole 1414888-17-7 C9H9ClN2O2S2
    5-[(chloromethyl)sulfonyl]-2-(methylsulfanyl)benzimidazole
    —— 5-Nitrobenzoxazol-2-thiocarbonsaeure-O-methylester 49559-79-7 C9H6N2O4S
    5-Nitrobenzoxazol-2-thiocarbonsaeure-O-methylester
    —— (5,6-Dihydro-[1,4]dithiin-2-yl)-acetic acid methyl ester 138481-38-6 C7H10O2S2
    (5,6-Dihydro-[1,4]dithiin-2-yl)-acetic acid methyl ester
    —— 5-chloro-4-(6-iodo-1H-indazol-1-yl)pyrimidin-2-amine 1394119-36-8 C11H7ClIN5
    5-chloro-4-(6-iodo-1H-indazol-1-yl)pyrimidin-2-amine
    —— 5-(<sup>2</sup>H<sub>3</sub>)methyl-1-(piperidin-4-yl)-1H-indazole hydrochloride 1469542-16-2 C13H17N3
    5-(<sup>2</sup>H<sub>3</sub>)methyl-1-(piperidin-4-yl)-1H-indazole hydrochloride
    —— 5-methylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-chloro-2-(4-hydroxycyclohexyloxy)phenyl]amide 1356015-06-9 C20H21ClN4O3
    5-methylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-chloro-2-(4-hydroxycyclohexyloxy)phenyl]amide
    —— (5-methyl-furan-2-ylmethyl)-[4-[4-(2-methyl-imidazol-1-ylmethyl)-piperidin-1-yl]-6-(2,2,2-trifluoro-ethoxy)-[1,3,5]triazin-2-yl]-amine 1174124-30-1 C21H26F3N7O2
    (5-methyl-furan-2-ylmethyl)-[4-[4-(2-methyl-imidazol-1-ylmethyl)-piperidin-1-yl]-6-(2,2,2-trifluoro-ethoxy)-[1,3,5]triazin-2-yl]-amine
    —— 5-[5,5-bis-(4-dimethylamino-phenyl)-penta-2,4-dienylidene]-3-methyl-2-thioxo-thiazolidin-4-one 5500-55-0 C25H27N3OS2
    5-[5,5-bis-(4-dimethylamino-phenyl)-penta-2,4-dienylidene]-3-methyl-2-thioxo-thiazolidin-4-one
    —— 5a-carba-α-D-mannopyranose penta-acete 115184-64-0 C17H24O10
    5a-carba-α-D-mannopyranose penta-acete
    —— 5-Heptadecyl-N<sup>3</sup>-phenyl-4H-1,2,4-triazole-3,4-diamine 1426415-04-4 C25H43N5
    5-Heptadecyl-N<sup>3</sup>-phenyl-4H-1,2,4-triazole-3,4-diamine