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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-O-benzyl 6a-O-methyl (3aR,6aR)-3-ethyl-3a-hydroxy-6-methyl-2,2-dioxo-3,4-dihydrocyclopenta[d]oxathiole-5,6a-dicarboxylate 128038-90-4 C19H22O8S
    5-O-benzyl 6a-O-methyl (3aR,6aR)-3-ethyl-3a-hydroxy-6-methyl-2,2-dioxo-3,4-dihydrocyclopenta[d]oxathiole-5,6a-dicarboxylate
    —— 5-cyano-N-(4-{[(1S)-2-hydroxy-1-phenylethyl]carbamoyl}phenyl)-1,3-dihydro-2H-isoindole-2-carboxamide 1375549-28-2 C25H22N4O3
    5-cyano-N-(4-{[(1S)-2-hydroxy-1-phenylethyl]carbamoyl}phenyl)-1,3-dihydro-2H-isoindole-2-carboxamide
    —— 5-nitro-2-(4-pyrimidin-2-yl-piperazin-1-yl)-pyrimidin-4-ylamine 24926-43-0 C12H14N8O2
    5-nitro-2-(4-pyrimidin-2-yl-piperazin-1-yl)-pyrimidin-4-ylamine
    —— 5-chloro-thiophene-2-carboxylic acid-N-[C-(1-methyl-pyrazol-3-yl)-C-(3-methyl-2,3,4,5-tetrahydro-1H-benzo[d]azepin-7-ylcarbamoyl)-methyl]-amide 919098-21-8 C22H24ClN5O2S
    5-chloro-thiophene-2-carboxylic acid-N-[C-(1-methyl-pyrazol-3-yl)-C-(3-methyl-2,3,4,5-tetrahydro-1H-benzo[d]azepin-7-ylcarbamoyl)-methyl]-amide
    —— 5,5-dicyano-2,4-diphenyl-3-(isopropoxycarbonyl)cyclopent-2-enone 1,3-(2,2-dimethyl)propanediyl acetal 141508-84-1 C28H28N2O4
    5,5-dicyano-2,4-diphenyl-3-(isopropoxycarbonyl)cyclopent-2-enone 1,3-(2,2-dimethyl)propanediyl acetal
    —— (5-acetyl-4,7-dimethoxy-benzofuran-6-yloxy)-acetic acid amide 71960-37-7 C14H15NO6
    (5-acetyl-4,7-dimethoxy-benzofuran-6-yloxy)-acetic acid amide
    —— 5'-O-<N-(Boc)phenylalanyl>adenosine 137957-36-9 C24H30N6O7
    5'-O-<N-(Boc)phenylalanyl>adenosine
    —— 5-((1R,3s,5S)-8-azabicyclo[3.2.1]octan-3-yl)-6-cyclopropyl-3-(6-(4,5-dimethyl-1H-imidazol-2-yl)pyridin-3-yl)pyrazolo[1,5-a]pyrimidin-7-amine 1319256-29-5 C26H30N8
    5-((1R,3s,5S)-8-azabicyclo[3.2.1]octan-3-yl)-6-cyclopropyl-3-(6-(4,5-dimethyl-1H-imidazol-2-yl)pyridin-3-yl)pyrazolo[1,5-a]pyrimidin-7-amine
    —— (5α,17β)-Androst-2-eno<3,2-b>furan-17-tetrahydropyranyl ether 135643-86-6 C26H38O3
    (5α,17β)-Androst-2-eno<3,2-b>furan-17-tetrahydropyranyl ether
    —— 5,6-dichloro-2-trifluoromethyl-benzoimidazol-1-ol 29233-26-9 C8H3Cl2F3N2O
    5,6-dichloro-2-trifluoromethyl-benzoimidazol-1-ol
    —— 5-acetyl-4-ethylamino-2,6-dimethylpyridazin-3(2H)-one 948856-05-1 C10H15N3O2
    5-acetyl-4-ethylamino-2,6-dimethylpyridazin-3(2H)-one
    —— 5-[(E)-2-(4-Chloro-phenyl)-vinyl]-furan-2-carboxylic acid methyl ester 20925-12-6 C14H11ClO3
    5-[(E)-2-(4-Chloro-phenyl)-vinyl]-furan-2-carboxylic acid methyl ester
    —— 5-(N-Butyl-carbamoylmethylmercapto)-3-(2-ethoxyphenyl)-4H-1,2,4-triazol 23282-71-5 C16H22N4O2S
    5-(N-Butyl-carbamoylmethylmercapto)-3-(2-ethoxyphenyl)-4H-1,2,4-triazol
    —— 5-Chloro-8-hydroxy-3-methyl-7-(phenyl-hydrazonomethyl)-isochroman-1-one 26271-70-5 C17H15ClN2O3
    5-Chloro-8-hydroxy-3-methyl-7-(phenyl-hydrazonomethyl)-isochroman-1-one
    —— 5-tert-butyl 2-methyl (2S,3aS,4S,5aR,10bS)-4-benzyl-1,2,3,3a,4,5,5a,6-octahydropyrrolo[3',2':3,4]pyrrolo[2,3-b]indole-2,5-dicarboxylate 1034299-61-0 C26H31N3O4
    5-tert-butyl 2-methyl (2S,3aS,4S,5aR,10bS)-4-benzyl-1,2,3,3a,4,5,5a,6-octahydropyrrolo[3',2':3,4]pyrrolo[2,3-b]indole-2,5-dicarboxylate
    —— 5,5-bis(4-amino-2-thiabutyl)-3,7-dithianonane-1,9-diamine 126218-63-1 C13H32N4S4
    5,5-bis(4-amino-2-thiabutyl)-3,7-dithianonane-1,9-diamine
    —— 5,5'-(3,4-dibromo-1-methyl-1H-pyrrole-2,5-diyl)bis(pent-4-yn-1-ol) 1157853-30-9 C15H17Br2NO2
    5,5'-(3,4-dibromo-1-methyl-1H-pyrrole-2,5-diyl)bis(pent-4-yn-1-ol)
    —— 5-[3-(2-methoxyphenoxy)propylamino]-2-(3,4,5-trimethoxyphenyl)pentanenitrile 116735-46-7 C24H32N2O5
    5-[3-(2-methoxyphenoxy)propylamino]-2-(3,4,5-trimethoxyphenyl)pentanenitrile
    —— (5Z)-5-[[5-[4-(benzenesulfonyl)butoxy]-2-nitrophenyl]methylidene]imidazolidine-2,4-dione 142103-94-4 C20H19N3O7S
    (5Z)-5-[[5-[4-(benzenesulfonyl)butoxy]-2-nitrophenyl]methylidene]imidazolidine-2,4-dione
    —— (5R,8S,11R,13S,14S,17R)-11-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-17-ethynyl-13-methyl-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-5,17(4H)-diol 173387-77-4 C30H36O6
    (5R,8S,11R,13S,14S,17R)-11-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-17-ethynyl-13-methyl-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-5,17(4H)-diol
    —— 5-ethoxycarbonyl-6-ethyl-6-hydroxy-2-methanesulfonyl-2-azabicyclo<2.2.2>octan-7-one 76144-01-9 C13H21NO6S
    5-ethoxycarbonyl-6-ethyl-6-hydroxy-2-methanesulfonyl-2-azabicyclo<2.2.2>octan-7-one
    —— 5-Acetyl-2-chloro-nonanenitrile 102503-86-6 C11H18ClNO
    5-Acetyl-2-chloro-nonanenitrile
    —— 5-methyl-2-phenyl-2,3-dihydro-4H-pyran-4-one 171287-89-1 C12H12O2
    5-methyl-2-phenyl-2,3-dihydro-4H-pyran-4-one
    —— 5'-dimethoxytrityl 2'-tert-butyldimethyl silyl uridine 3'-p-chlorophenyl β-cyanoethyl phosphotriester 81265-94-3 C45H51ClN3O11PSi
    5'-dimethoxytrityl 2'-tert-butyldimethyl silyl uridine 3'-p-chlorophenyl β-cyanoethyl phosphotriester
    —— 5-chloro-4-pyrazolo[1,5-a]pyridin-3-yl-N-(pyridin-3-ylmethyl)-1,3-thiazole-2-carboxamide 1207555-65-4 C17H12ClN5OS
    5-chloro-4-pyrazolo[1,5-a]pyridin-3-yl-N-(pyridin-3-ylmethyl)-1,3-thiazole-2-carboxamide
    —— 5-fluoro-N-(4-{[2-(tetrahydro-2H-pyran-4-yl)ethyl]carbamoyl}phenyl)-1,3-dihydro-2H-isoindole-2-carboxamide 1375552-45-6 C23H26FN3O3
    5-fluoro-N-(4-{[2-(tetrahydro-2H-pyran-4-yl)ethyl]carbamoyl}phenyl)-1,3-dihydro-2H-isoindole-2-carboxamide
    —— 5-Nitro-2-(5-thiophen-2-yl-4,5-dihydro-1H-pyrazol-3-yl)-1H-benzoimidazole 132308-68-0 C14H11N5O2S
    5-Nitro-2-(5-thiophen-2-yl-4,5-dihydro-1H-pyrazol-3-yl)-1H-benzoimidazole
    —— 5,7(9)-dihydro-4<i>H</i>-acenaphth[4,5-<i>d</i>]imidazole 7156-24-3 C13H10N2
    5,7(9)-dihydro-4<i>H</i>-acenaphth[4,5-<i>d</i>]imidazole
    —— 5,6-bis[(E)-2-(2-furyl)vinyl]-3-pyrazin-2-yl-1,2,4-triazine 1257421-75-2 C19H13N5O2
    5,6-bis[(E)-2-(2-furyl)vinyl]-3-pyrazin-2-yl-1,2,4-triazine
    —— [(5R,9S,10S,25S)-5,25-diacetyloxy-26-methoxy-9-(4-methoxybenzoyl)oxy-26-oxohexacosan-10-yl] 4-methoxybenzoate 132064-00-7 C47H70O12
    [(5R,9S,10S,25S)-5,25-diacetyloxy-26-methoxy-9-(4-methoxybenzoyl)oxy-26-oxohexacosan-10-yl] 4-methoxybenzoate
    —— [5-(5-Benzyloxy-1H-indol-3-yl)-1H-imidazol-2-yl]-(1H-indol-3-yl)-methanone 116726-01-3 C27H20N4O2
    [5-(5-Benzyloxy-1H-indol-3-yl)-1H-imidazol-2-yl]-(1H-indol-3-yl)-methanone
    —— 5t,6t-Dibrom-7-oxa-(1rH,4cH)-bicyclo<2.2.1>heptan-2t,3t-dicarbonsaeureanhydrid 5458-08-2 C8H6Br2O4
    5t,6t-Dibrom-7-oxa-(1rH,4cH)-bicyclo<2.2.1>heptan-2t,3t-dicarbonsaeureanhydrid
    —— ((5-bromobenzene-1,2,3-triyl)tris(oxy))tris(tert-butyldimethylsilane) 1235827-99-2 C24H47BrO3Si3
    ((5-bromobenzene-1,2,3-triyl)tris(oxy))tris(tert-butyldimethylsilane)
    —— 5-benzotriazol-2-yl-pentanoic acid ethyl ester 69218-54-8 C13H17N3O2
    5-benzotriazol-2-yl-pentanoic acid ethyl ester
    —— 5-<4-(Ethylamino)butyl>-5,15-dihydro-15-(4-iodbutyl)-2,3,7,8,12,13,17,18-octaethylporphyrin 92413-36-0 C46H68IN5
    5-<4-(Ethylamino)butyl>-5,15-dihydro-15-(4-iodbutyl)-2,3,7,8,12,13,17,18-octaethylporphyrin
    —— 5,6-dimethyl-2-phenyl-2,3,4,5,6,7-hexahydroisophosphindole 2-oxide 80754-58-1 C16H21OP
    5,6-dimethyl-2-phenyl-2,3,4,5,6,7-hexahydroisophosphindole 2-oxide
    —— 5-(4-Chloro-phenyl)-3-(4-ethoxy-phenyl)-4-imino-7-phenyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione 132814-32-5 C27H21ClN4OS
    5-(4-Chloro-phenyl)-3-(4-ethoxy-phenyl)-4-imino-7-phenyl-3,4-dihydro-1H-pyrido[2,3-d]pyrimidine-2-thione
    —— 5-(4-fluorobenzyl)-2-(4-isopropylphenylimino)thiazolidin-4-one 862277-04-1 C19H19FN2OS
    5-(4-fluorobenzyl)-2-(4-isopropylphenylimino)thiazolidin-4-one
    —— 5-(4-(2,3-dihydro-4-(2-methoxyphenyl)-1H-inden-1-yloxy)phenyl)-3-(methoxymethoxy)isoxazole 1294453-13-6 C27H25NO5
    5-(4-(2,3-dihydro-4-(2-methoxyphenyl)-1H-inden-1-yloxy)phenyl)-3-(methoxymethoxy)isoxazole
    —— 5-acetyl-2-isopropyl-1-(phenylsulfonyl)pyrrole 97188-43-7 C15H17NO3S
    5-acetyl-2-isopropyl-1-(phenylsulfonyl)pyrrole
    —— 5-benzyl-6-chloro-1,3-dimethyl-1,3-dihydropyrazolo[3,4,5-de]phthalazine 1132953-55-9 C17H15ClN4
    5-benzyl-6-chloro-1,3-dimethyl-1,3-dihydropyrazolo[3,4,5-de]phthalazine
    —— 5-(1H-pyrazolo[3,4-b]pyridin-3-yl)-1H-pyrrole-3-carboxylic acid phenethyl-amide 658695-96-6 C19H17N5O
    5-(1H-pyrazolo[3,4-b]pyridin-3-yl)-1H-pyrrole-3-carboxylic acid phenethyl-amide
    —— 5'-O-(4-hydroxybutyl)-2',3'-O-isopropylideneadenosine 152838-47-6 C17H25N5O5
    5'-O-(4-hydroxybutyl)-2',3'-O-isopropylideneadenosine
    —— 5-diethoxymethylene-2-oxo-2-propoxy-2λ5-[1,3,2]diazaphosphinane-4,6-dione 23863-36-7 C11H19N2O6P
    5-diethoxymethylene-2-oxo-2-propoxy-2λ5-[1,3,2]diazaphosphinane-4,6-dione
    —— 5-iodoindene 75476-79-8 C9H7I
    5-iodoindene
    —— 5-(1-Hydroxy-ethyl)-3-isobutyl-5-methyl-2-oxo-tetrahydro-furan-3-carboxylic acid ethyl ester 29739-23-9 C14H24O5
    5-(1-Hydroxy-ethyl)-3-isobutyl-5-methyl-2-oxo-tetrahydro-furan-3-carboxylic acid ethyl ester
    —— 5-methylene-2,4-diphenyl-2,5-dihydro-oxazole 38349-29-0 C16H13NO
    5-methylene-2,4-diphenyl-2,5-dihydro-oxazole
    —— 5,5-Dichlor-1,1,3,3,4,6-hexamethylcyclo-1,3-disil-5-germ-2-ox-4,6-diazan 26495-28-3 C6H18Cl2GeN2OSi2
    5,5-Dichlor-1,1,3,3,4,6-hexamethylcyclo-1,3-disil-5-germ-2-ox-4,6-diazan
    —— (5-fluoro-2-pyridin-3-yl-indol-3-yl)-acetic acid 25881-78-1 C15H11FN2O2
    (5-fluoro-2-pyridin-3-yl-indol-3-yl)-acetic acid
    —— 5-p-Brombenzyliden-3-phenylisorhodanin 27315-56-6 C16H10BrNOS2
    5-p-Brombenzyliden-3-phenylisorhodanin