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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Bromo-2,2-dimethoxy-bicyclo[2.2.1]heptane-7-carboxylic acid 78365-89-6 C10H15BrO4
    5-Bromo-2,2-dimethoxy-bicyclo[2.2.1]heptane-7-carboxylic acid
    —— 5-acetoxy-6-methyl-6,7-dihydro-5<i>H</i>-cyclopentapyrazine 61965-84-2 C10H12N2O2
    5-acetoxy-6-methyl-6,7-dihydro-5<i>H</i>-cyclopentapyrazine
    —— 5-Cyano-3-(2-methoxyphenethyl)-1-(trans-4-hydroxycyclohexyl)-2,3-dihydro-1H-benzimidazol-2-one 320408-40-0 C23H25N3O3
    5-Cyano-3-(2-methoxyphenethyl)-1-(trans-4-hydroxycyclohexyl)-2,3-dihydro-1H-benzimidazol-2-one
    —— (5S,6R)-6-(1-benzyl-5,5-dimethyl-3-oxopyrazolidine-2-carbonyl)-3,3-dimethyl-5-(4-chloro-phenyl)-tetrahydropyrazolo[1,2-a]pyrazol-1(5H)-one 1039170-22-3 C27H31ClN4O3
    (5S,6R)-6-(1-benzyl-5,5-dimethyl-3-oxopyrazolidine-2-carbonyl)-3,3-dimethyl-5-(4-chloro-phenyl)-tetrahydropyrazolo[1,2-a]pyrazol-1(5H)-one
    —— (5R,3Z)-ethyl 2-benzyl-5-[(tert-butyldimethylsilyl)oxy]-4-chloro-5-phenylpent-3-enoate 1394236-82-8 C26H35ClO3Si
    (5R,3Z)-ethyl 2-benzyl-5-[(tert-butyldimethylsilyl)oxy]-4-chloro-5-phenylpent-3-enoate
    —— 5,5-Diethylimidazolidin-2,4-diimin*1/2 H2SO4 79985-22-1 CH5N3*C7H14N4*H2O4S
    5,5-Diethylimidazolidin-2,4-diimin*1/2 H2SO4
    —— 5-(4-Nitro-phenyl)-1,1,3,3-tetraoxo-1λ<sup>6</sup>,3λ<sup>6</sup>-[1,3]dithiane-4,6-dicarboxylic acid diethyl ester 61713-17-5 C16H19NO10S2
    5-(4-Nitro-phenyl)-1,1,3,3-tetraoxo-1λ<sup>6</sup>,3λ<sup>6</sup>-[1,3]dithiane-4,6-dicarboxylic acid diethyl ester
    —— 5,6-bis-(4-methoxy-phenyl)-2-methyl-2,3-dihydro-imidazo[2,1-<i>b</i>]thiazole 64997-24-6 C20H20N2O2S
    5,6-bis-(4-methoxy-phenyl)-2-methyl-2,3-dihydro-imidazo[2,1-<i>b</i>]thiazole
    —— 5-azido-3,5-dinitrotetrahydro-1,3-oxazine 945594-20-7 C4H6N6O5
    5-azido-3,5-dinitrotetrahydro-1,3-oxazine
    —— 5-[4'-(N-methoxy-N-methylaminocarbonylamino)-2'-trifluoromethylphenoxy]-benzisothiazole 89744-39-8 C17H14F3N3O3S
    5-[4'-(N-methoxy-N-methylaminocarbonylamino)-2'-trifluoromethylphenoxy]-benzisothiazole
    —— 5-Aethyl-1-carboxymethyl-1H-tetrazol 21743-56-6 C5H8N4O2
    5-Aethyl-1-carboxymethyl-1H-tetrazol
    —— [5'-(3-Benzyloxy-benzylcarbamoyl)-3,3"-bis-trifluoromethyl-[1,1':3',1"]terphenyl-2'-yloxy]-acetic acid 251477-11-9 C37H27F6NO5
    [5'-(3-Benzyloxy-benzylcarbamoyl)-3,3"-bis-trifluoromethyl-[1,1':3',1"]terphenyl-2'-yloxy]-acetic acid
    —— (5-{[(2E)-2-[3-cyclopropyl-4-(cyclopropylsulfonyl)phenyl]-3-(3-oxocyclopentyl)prope-2-noyl]amino}pyrazin-2-yl)methyl acetate 1174229-63-0 C27H29N3O6S
    (5-{[(2E)-2-[3-cyclopropyl-4-(cyclopropylsulfonyl)phenyl]-3-(3-oxocyclopentyl)prope-2-noyl]amino}pyrazin-2-yl)methyl acetate
    —— 5-(4-Ethyl-phenyl)-thiazolidine-2,4-dione 82124-26-3 C11H11NO2S
    5-(4-Ethyl-phenyl)-thiazolidine-2,4-dione
    —— 5,5-Bis-(4-hydroxy-phenyl)-3-naphthalen-1-yl-2-thioxo-imidazolidin-4-one 82844-43-7 C25H18N2O3S
    5,5-Bis-(4-hydroxy-phenyl)-3-naphthalen-1-yl-2-thioxo-imidazolidin-4-one
    —— 5,6-Dihydro-9-methoxyindeno[2,1-b]indole 133571-30-9 C16H13NO
    5,6-Dihydro-9-methoxyindeno[2,1-b]indole
    —— 5-bromo-2-(1-hydroxyethyl)indole-3-carboxylic acid 94319-20-7 C11H10BrNO3
    5-bromo-2-(1-hydroxyethyl)indole-3-carboxylic acid
    —— 5-(2-bromo-4-pyridinyl)-4-(6-methyl-2-pyridinyl)-1,3-thiazol-2-amine 656257-87-3 C14H11BrN4S
    5-(2-bromo-4-pyridinyl)-4-(6-methyl-2-pyridinyl)-1,3-thiazol-2-amine
    —— 5-Cyano-1-[3-(trifluoromethyl)phenyl]-N-ethyl-1H-pyrazole-4-carboxamide 98475-77-5 C14H11F3N4O
    5-Cyano-1-[3-(trifluoromethyl)phenyl]-N-ethyl-1H-pyrazole-4-carboxamide
    —— 5-Benzyloxycarbonylamino-5-desoxy-1,2-O-isopropyliden-α-D-glucofuranurono-6,3-lacton 43139-78-2 C17H19NO7
    5-Benzyloxycarbonylamino-5-desoxy-1,2-O-isopropyliden-α-D-glucofuranurono-6,3-lacton
    —— 5-benzyl-4-hydroxy-1-(4-phenoxybenzyl)pyrrolidine-2-one 262864-13-1 C24H23NO3
    5-benzyl-4-hydroxy-1-(4-phenoxybenzyl)pyrrolidine-2-one
    —— (5<i>R</i>)-6<i>t</i>-(2-formylamino-1-phenyl-ethoxycarbonylmethyl)-3,3-dimethyl-7-oxo-(5<i>r</i><i>H</i>)-4-thia-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid 2,2,2-trichloro-ethyl ester 63784-37-2 C21H23Cl3N2O6S
    (5<i>R</i>)-6<i>t</i>-(2-formylamino-1-phenyl-ethoxycarbonylmethyl)-3,3-dimethyl-7-oxo-(5<i>r</i><i>H</i>)-4-thia-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid 2,2,2-trichloro-ethyl ester
    —— 5-(2,4-dichloro-benzylidenamino)-3<i>H</i>-thiazol-2-one 98949-19-0 C10H6Cl2N2OS
    5-(2,4-dichloro-benzylidenamino)-3<i>H</i>-thiazol-2-one
    —— (5R,6S)-5,6-bis(4-chlorophenyl)-N-[2-(4,7-diazaspiro[2.5]oct-7-yl)-2-oxoethyl]-N-(2-hydroxyethyl)-3-isopropyl-6-methyl-5,6-dihydroimidazo[2,1-b][1,3]thiazole-2-carboxamide 1199791-82-6 C32H37Cl2N5O3S
    (5R,6S)-5,6-bis(4-chlorophenyl)-N-[2-(4,7-diazaspiro[2.5]oct-7-yl)-2-oxoethyl]-N-(2-hydroxyethyl)-3-isopropyl-6-methyl-5,6-dihydroimidazo[2,1-b][1,3]thiazole-2-carboxamide
    —— 5-hydroxy-1<i>H</i>-benzotriazole-4-carboxylic acid-[1]naphthylamide 110336-14-6 C17H12N4O2
    5-hydroxy-1<i>H</i>-benzotriazole-4-carboxylic acid-[1]naphthylamide
    —— 5-Hydroxy-7,8,2',5'-tetramethoxy-isoflavon 100211-11-8 C19H18O7
    5-Hydroxy-7,8,2',5'-tetramethoxy-isoflavon
    —— [(5-Methyl-2H-[1,2,4]triazol-3-yl)-hydrazono]-nitro-acetonitrile 99777-39-6 C5H5N7O2
    [(5-Methyl-2H-[1,2,4]triazol-3-yl)-hydrazono]-nitro-acetonitrile
    —— {5,15-(({4-(tert-butyl)-2-mercaptophen-1,3-ylene}bis(trimethyleneoxy))di(phen-2,1-ylene))-10,20-({(hydroxy)undecamethylenedioxy}di(phen-2,1-ylene))porphyrinato}iron(III) 141967-28-4 C71H69FeN4O5S
    {5,15-(({4-(tert-butyl)-2-mercaptophen-1,3-ylene}bis(trimethyleneoxy))di(phen-2,1-ylene))-10,20-({(hydroxy)undecamethylenedioxy}di(phen-2,1-ylene))porphyrinato}iron(III)
    —— 5-(2-ethylhexylimino)-4,4-dimethylpentanenitrile 67259-72-7 C15H28N2
    5-(2-ethylhexylimino)-4,4-dimethylpentanenitrile
    —— 5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one 2-hydroxypropane-1,2,3-tricarboxylate 1447670-69-0 C6H8O7*C10H10N2O
    5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one 2-hydroxypropane-1,2,3-tricarboxylate
    —— 5,8,13,16,21,24,29,32,37,40,45,48-Dodecamethoxy<2<sub>6</sub>>metacyclophan 142363-19-7 C60H72O12
    5,8,13,16,21,24,29,32,37,40,45,48-Dodecamethoxy<2<sub>6</sub>>metacyclophan
    —— 5-cyclopropyl-2-[4-(4-fluorophenoxy)phenyl]-N-methyl-6-{(methylsulfonyl)[2-(morpholin-4-yl)ethyl]amino}-2H-indazole-3-carboxamide 1373841-52-1 C31H34FN5O5S
    5-cyclopropyl-2-[4-(4-fluorophenoxy)phenyl]-N-methyl-6-{(methylsulfonyl)[2-(morpholin-4-yl)ethyl]amino}-2H-indazole-3-carboxamide
    —— 5-{(1R)-2-[(2-{3-[2-(1-adamantyl)ethoxy]phenyl}ethyl)-amino]-1-hydroxyethyl}-8-(benzyloxy)quinolin-2(1H)-one 1159340-57-4 C38H44N2O4
    5-{(1R)-2-[(2-{3-[2-(1-adamantyl)ethoxy]phenyl}ethyl)-amino]-1-hydroxyethyl}-8-(benzyloxy)quinolin-2(1H)-one
    —— 5-methoxycarbonylmethyl-benzo[1,3]dioxole-4-carboxylic acid methyl ester 66271-21-4 C12H12O6
    5-methoxycarbonylmethyl-benzo[1,3]dioxole-4-carboxylic acid methyl ester
    —— 5'-O-(4,4'-dimethoxytrityl)-5-[9-anthracenylethynyl]-2'-deoxyuridine 936743-51-0 C46H38N2O7
    5'-O-(4,4'-dimethoxytrityl)-5-[9-anthracenylethynyl]-2'-deoxyuridine
    —— 5-bromo-6-methyl-1-(2,2,2-trifluoroethyl)pyridin-2(1H)-one 1375471-02-5 C8H7BrF3NO
    5-bromo-6-methyl-1-(2,2,2-trifluoroethyl)pyridin-2(1H)-one
    —— 5-iodo-3-(pyridin-4-yl)-1-trityl-1H-indazole 1374353-20-4 C31H22IN3
    5-iodo-3-(pyridin-4-yl)-1-trityl-1H-indazole
    —— 5,9-diethoxy-4,8-dimethyl-dodeca-2,6,10-trienal 94259-55-9 C18H30O3
    5,9-diethoxy-4,8-dimethyl-dodeca-2,6,10-trienal
    —— 5-(2,2-dimethylpropionyloxy)-1,2-dihydro-2,2,4,8-tetramethylquinoline 1048666-44-9 C18H25NO2
    5-(2,2-dimethylpropionyloxy)-1,2-dihydro-2,2,4,8-tetramethylquinoline
    —— {[5-(4-nitro-phenylsulfanyl)-thiazol-2-ylcarbamoyl]-methylsulfanyl}-acetic acid 98018-31-6 C13H11N3O5S3
    {[5-(4-nitro-phenylsulfanyl)-thiazol-2-ylcarbamoyl]-methylsulfanyl}-acetic acid
    —— 5-Ethoxy-5-oxopentaneperoxoic acid 139030-01-6 C7H12O5
    5-Ethoxy-5-oxopentaneperoxoic acid
    —— 5,6-dimethyl-7-oxabicyclo[4.1.0]heptan-2-ol 81360-82-9 C8H14O2
    5,6-dimethyl-7-oxabicyclo[4.1.0]heptan-2-ol
    —— 5-(2,4-Bis-benzenesulfonyl-7-tert-butyl-1,5,6,7,8,8a-hexahydro-naphthalen-1-yl)-benzo[1,3]dioxole 96540-19-1 C33H34O6S2
    5-(2,4-Bis-benzenesulfonyl-7-tert-butyl-1,5,6,7,8,8a-hexahydro-naphthalen-1-yl)-benzo[1,3]dioxole
    —— 5-(Hydroxymethyl)-5,6-dihydro-1H-pyrrolo[3,2,1-ij]quinazoline-1,3(2H)-dione 369594-24-1 C11H10N2O3
    5-(Hydroxymethyl)-5,6-dihydro-1H-pyrrolo[3,2,1-ij]quinazoline-1,3(2H)-dione
    —— 5-acetyl-6-methyl-4-phenyl-3,4-dihydropyran-2-one 1261085-93-1 C11H16O3
    5-acetyl-6-methyl-4-phenyl-3,4-dihydropyran-2-one
    —— 5-chloro-N'-hydroxy-3-methylpyridine-2-carboximidamide 721450-77-7 C7H8ClN3O
    5-chloro-N'-hydroxy-3-methylpyridine-2-carboximidamide
    —— 5-hydroxy-8-methoxy-thiochroman-4-one-2-acetonitrile 59767-50-9 C12H11NO3S
    5-hydroxy-8-methoxy-thiochroman-4-one-2-acetonitrile
    —— 5,6,7-trimethoxy-4-[5-methoxy-4-methoxymethoxy-2-(methoxymethoxymethyl)phenyl]chromen-2-one 1257405-87-0 C24H28O10
    5,6,7-trimethoxy-4-[5-methoxy-4-methoxymethoxy-2-(methoxymethoxymethyl)phenyl]chromen-2-one
    —— 5-ethyl-6-methyl-2-phenyl-3-m-tolyl-3H-pyrimidin-4-one 112624-62-1 C20H20N2O
    5-ethyl-6-methyl-2-phenyl-3-m-tolyl-3H-pyrimidin-4-one
    —— 5-isoquinolin-5-ylethynyl-2,8-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole 1393915-50-8 C24H21N3
    5-isoquinolin-5-ylethynyl-2,8-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole