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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(pentafluorobenzoylamino)fluorescein 209540-56-7 C27H12F5NO6
    5-(pentafluorobenzoylamino)fluorescein
    —— 5-butyl-thiazole 52414-90-1 C7H11NS
    5-butyl-thiazole
    —— 5-(4-methoxynaphthalen-1-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine 1118904-98-5 C17H14O3S
    5-(4-methoxynaphthalen-1-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine
    —— (5-chloro-2-formylamino-thiazol-4-yl)-oxo-acetic acid ethyl ester 65091-47-6 C8H7ClN2O4S
    (5-chloro-2-formylamino-thiazol-4-yl)-oxo-acetic acid ethyl ester
    —— 5-Bromo-N-(3,5-dichloro)phenyl-2-methoxybenzenesulfonamide 439145-76-3 C13H10BrCl2NO3S
    5-Bromo-N-(3,5-dichloro)phenyl-2-methoxybenzenesulfonamide
    —— 5-phenyl-thiazol-4-one 59484-48-9 C9H7NOS
    5-phenyl-thiazol-4-one
    —— 5-(3-ethoxycarbonyl-propyl)-thiazole-4-carboxylic acid ethyl ester 70590-45-3 C12H17NO4S
    5-(3-ethoxycarbonyl-propyl)-thiazole-4-carboxylic acid ethyl ester
    —— 5α-hydroxy-1-oxo-11βH-eudesma-4(15)-ene-12,6α-olide 135650-42-9 C15H20O4
    5α-hydroxy-1-oxo-11βH-eudesma-4(15)-ene-12,6α-olide
    —— 5,6-dihydro[1,4]dithiino[2,3-d]thiazole 1029100-64-8 C5H5NS3
    5,6-dihydro[1,4]dithiino[2,3-d]thiazole
    —— 5-(4-methoxynaphthalen-1-yl)-2,3-dimethylthiophene 1231714-61-6 C17H16OS
    5-(4-methoxynaphthalen-1-yl)-2,3-dimethylthiophene
    —— 5-bromo-1-ethyl-2-[4-(3-fluoro-phenyl)-thiazol-5-ylmethyl]-1H-benzoimidazole 438554-00-8 C19H15BrFN3S
    5-bromo-1-ethyl-2-[4-(3-fluoro-phenyl)-thiazol-5-ylmethyl]-1H-benzoimidazole
    —— 5-chloro-3-(4-hydroxybenzylidene)indolin-2-one 387342-90-7 C15H10ClNO2
    5-chloro-3-(4-hydroxybenzylidene)indolin-2-one
    —— (5S)-5-(3-bromo-2-oxopropyl)-2,2-bis(trifluoromethyl)-1,3-dioxolan-4-one 438471-75-1 C8H5BrF6O4
    (5S)-5-(3-bromo-2-oxopropyl)-2,2-bis(trifluoromethyl)-1,3-dioxolan-4-one
    —— 5-(1,3-thiazol-4-yl)-1,3-dihydro-2H-indol-2-one 612487-63-5 C11H8N2OS
    5-(1,3-thiazol-4-yl)-1,3-dihydro-2H-indol-2-one
    —— 5-Ethoxycarbonyl-4,5,6,7-tetrahydrothiazolo[5,4-c]-pyridine 165948-22-1 C9H12N2O2S
    5-Ethoxycarbonyl-4,5,6,7-tetrahydrothiazolo[5,4-c]-pyridine
    —— 5-[3,5-bis(trifluoromethyl)phenyl]-3-(4-bromo-1-naphthalenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole 1093862-52-2 C22H11BrF9NO
    5-[3,5-bis(trifluoromethyl)phenyl]-3-(4-bromo-1-naphthalenyl)-4,5-dihydro-5-(trifluoromethyl)isoxazole
    —— (5,6-dihydro-[1]naphthyl)-methyl ether 60573-57-1 C11H12O
    (5,6-dihydro-[1]naphthyl)-methyl ether
    —— 5-((allylthio)methyl)-2-furfural 116724-98-2 C9H10O2S
    5-((allylthio)methyl)-2-furfural
    —— 5-chloro-4-(pyridin-3-yl)-thiazol-2-amine 73166-93-5 C8H6ClN3S
    5-chloro-4-(pyridin-3-yl)-thiazol-2-amine
    —— 5-chloro-3-ethyl-2-(2,3,4,5,6-pentafluorophenyl) amino-6-trifluoromethyl-4 (3H)-pyrimidinone 216240-05-0 C13H6ClF8N3O
    5-chloro-3-ethyl-2-(2,3,4,5,6-pentafluorophenyl) amino-6-trifluoromethyl-4 (3H)-pyrimidinone
    —— 5-(Methylthio)-4-penten-2-ol 97370-33-7 C6H12OS
    5-(Methylthio)-4-penten-2-ol
    —— 5-(Methylthio)-4-penten-ol 97369-79-4 C6H12OS
    5-(Methylthio)-4-penten-ol
    —— 5-(Methylthio)-2-phenyl-4-penten-2-ol 97369-72-7 C12H16OS
    5-(Methylthio)-2-phenyl-4-penten-2-ol
    —— 5-methyl-4,6-dithia-1,8-nonadiene 76229-87-3 C8H14S2
    5-methyl-4,6-dithia-1,8-nonadiene
    —— (5S,6S,7S,2E,8E)-7-(tert-butyldimethylsilyloxy)-5-hydroxy-2,6,8-trimethyl-2,8-decadienoic acid methyl ester 760984-40-5 C20H38O4Si
    (5S,6S,7S,2E,8E)-7-(tert-butyldimethylsilyloxy)-5-hydroxy-2,6,8-trimethyl-2,8-decadienoic acid methyl ester
    —— 5-[2-(2-Methyloxiran-2-yl)ethylsulfonyl]-1-phenyltetrazole 908333-81-3 C12H14N4O3S
    5-[2-(2-Methyloxiran-2-yl)ethylsulfonyl]-1-phenyltetrazole
    —— (5S,6S,7S,2E,8E)-7-(tert-butyldimethylsilyloxy)-2,6,8-trimethyl-2,8-decadien-1,5-diol 760985-16-8 C19H38O3Si
    (5S,6S,7S,2E,8E)-7-(tert-butyldimethylsilyloxy)-2,6,8-trimethyl-2,8-decadien-1,5-diol
    —— 5-[2H6]isopropylidene-4,5-dihydrothieno[3,2-b]pyrrol-6-one 1157936-34-9 C9H9NOS
    5-[2H6]isopropylidene-4,5-dihydrothieno[3,2-b]pyrrol-6-one
    —— 5-allylsulfanyl-pent-1-ene 39984-74-2 C8H14S
    5-allylsulfanyl-pent-1-ene
    —— (5R,6S,7S,2E,8E)-7-(tert-butyldimethylsilyloxy)-5-hydroxy-2,6,8-trimethyl-2,8-decadienoic acid methyl ester 760985-09-9 C20H38O4Si
    (5R,6S,7S,2E,8E)-7-(tert-butyldimethylsilyloxy)-5-hydroxy-2,6,8-trimethyl-2,8-decadienoic acid methyl ester
    —— 5-[(4-hydroxyphenyl)methylidene]-1,3-dimethyl-1,3-diazinane-2,4,6-trione 57270-80-1 C13H12N2O4
    5-[(4-hydroxyphenyl)methylidene]-1,3-dimethyl-1,3-diazinane-2,4,6-trione
    —— (5-Brom-pentanon-(2)-aethylenacetal)-phosphoniumbromid 5944-33-2 Br*C25H28O2P
    (5-Brom-pentanon-(2)-aethylenacetal)-phosphoniumbromid
    —— (+)-(5'S)-3-(2'-tert-butyl-5'-methyl-2',5'-dihydrofuran-2'-yl)but-3-en-2-ol 871465-59-7 C13H22O2
    (+)-(5'S)-3-(2'-tert-butyl-5'-methyl-2',5'-dihydrofuran-2'-yl)but-3-en-2-ol
    —— 5-(2-aminoethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione 77570-17-3 C8H11NO4
    5-(2-aminoethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5-(Methoxymethoxy)-2-(prop-2-enylsulfanylmethyl)pyran-4-one 181647-44-9 C11H14O4S
    5-(Methoxymethoxy)-2-(prop-2-enylsulfanylmethyl)pyran-4-one
    —— 5-ethyl-2,3-dimethylcyclopent-2-enone 1219948-37-4 C9H14O
    5-ethyl-2,3-dimethylcyclopent-2-enone
    —— (5-tert-butyldimethylsilyloxy-4-oxo-4H-pyran-2-yl)methyl chloride 152547-34-7 C12H19ClO3Si
    (5-tert-butyldimethylsilyloxy-4-oxo-4H-pyran-2-yl)methyl chloride
    —— 5,6-Epoxy-5,6-dihydro-b,e-carotene-3,3',6'-triol 75138-59-9 C40H56O4
    5,6-Epoxy-5,6-dihydro-b,e-carotene-3,3',6'-triol
    —— 5-methyl-2-(4-nitro-phenyl)-1,2-dihydro-pyrazol-3-one 35496-23-2 C10H9N3O3
    5-methyl-2-(4-nitro-phenyl)-1,2-dihydro-pyrazol-3-one
    —— (+)-(5S)-2-tert-butyl-2-(2',3'-dimethyloxiran-2'-yl)-5-methyl-2,5-dihydrofuran 871513-04-1 C13H22O2
    (+)-(5S)-2-tert-butyl-2-(2',3'-dimethyloxiran-2'-yl)-5-methyl-2,5-dihydrofuran
    —— 5-(2-methoxyphenyl)-6-(4-methoxyphenyl)thiazolo[3,2-b][1,2,4]triazole 1621514-71-3 C18H15N3O2S
    5-(2-methoxyphenyl)-6-(4-methoxyphenyl)thiazolo[3,2-b][1,2,4]triazole
    —— 5-(tert-butoxy)-1-(tert-butoxymethyl)-2-pyrrolidone 1261063-43-7 C13H25NO3
    5-(tert-butoxy)-1-(tert-butoxymethyl)-2-pyrrolidone
    —— 5-(2-methoxyphenyl)-6-(4-methoxyphenyl)-2-phenylthiazolo[3,2-b][1,2,4]triazole 1621514-61-1 C24H19N3O2S
    5-(2-methoxyphenyl)-6-(4-methoxyphenyl)-2-phenylthiazolo[3,2-b][1,2,4]triazole
    —— 5-(tert-butoxy)-1-methyl-2-pyrrolidone 1261063-23-3 C9H17NO2
    5-(tert-butoxy)-1-methyl-2-pyrrolidone
    —— 5-(Allylthio)-1-pentyne 166956-37-2 C8H12S
    5-(Allylthio)-1-pentyne
    —— 5,5-dimethyl-[3,3-<sup>2</sup>H<sub>2</sub>]-1-pyrroline N-oxide 845623-22-5 C6H11NO
    5,5-dimethyl-[3,3-<sup>2</sup>H<sub>2</sub>]-1-pyrroline N-oxide
    —— 5-(2-methoxyphenyl)-6-methyl-thiazolo[3,2-b][1,2,4]triazole 1621514-79-1 C12H11N3OS
    5-(2-methoxyphenyl)-6-methyl-thiazolo[3,2-b][1,2,4]triazole
    —— 5-allylsulfanyl-1-ethyl-1,2-dihydro-[1,2,4]triazol-3-one 53409-72-6 C7H11N3OS
    5-allylsulfanyl-1-ethyl-1,2-dihydro-[1,2,4]triazol-3-one
    —— 5-(4-chlorophenyl)-2-fluoro-3-(trifluoromethyl)furan 140860-87-3 C11H5ClF4O
    5-(4-chlorophenyl)-2-fluoro-3-(trifluoromethyl)furan
    —— 5-isopropyl-2,3-dimethylcyclopent-2-enone 1219948-38-5 C10H16O
    5-isopropyl-2,3-dimethylcyclopent-2-enone