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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (+/-)-5-hexyn-2-ol 23470-12-4 C6H10O
    (+/-)-5-hexyn-2-ol
    —— [5-benzylcarbamoyl-4-(4-bromophenyl)-2,3-dimethylpent-1-enyl]-(4-methoxyphenyl)-carbamic acid tert-butyl ester 881424-76-6 C33H39BrN2O4
    [5-benzylcarbamoyl-4-(4-bromophenyl)-2,3-dimethylpent-1-enyl]-(4-methoxyphenyl)-carbamic acid tert-butyl ester
    —— 5,8-dimethoxy-2-(2-methoxyphenyl)-3,4-dihydronaphthalen-1(2H)-one 1592683-95-8 C19H20O4
    5,8-dimethoxy-2-(2-methoxyphenyl)-3,4-dihydronaphthalen-1(2H)-one
    —— 5-(4-formylphenyl)-2-(4-trifluoromethoxy-phenyl)-3,4-dihydro-2H-pyrazole-3,4-dicarboxylic acid diethyl ester 1181214-15-2 C23H21F3N2O6
    5-(4-formylphenyl)-2-(4-trifluoromethoxy-phenyl)-3,4-dihydro-2H-pyrazole-3,4-dicarboxylic acid diethyl ester
    —— [5-(<i>tert</i>-butoxycarbonylamino-methyl)-thiophen-2-yl]-acetic acid 33004-99-8 C12H17NO4S
    [5-(<i>tert</i>-butoxycarbonylamino-methyl)-thiophen-2-yl]-acetic acid
    —— 5-(2-methoxyphenyl)pyrrolidin-2-one 128100-34-5 C11H13NO2
    5-(2-methoxyphenyl)pyrrolidin-2-one
    —— 5-ethoxymethylene-1,2,3,4-tetrachloro-1,3-cyclo-pentadiene 56524-17-5 C8H6Cl4O
    5-ethoxymethylene-1,2,3,4-tetrachloro-1,3-cyclo-pentadiene
    —— 5-benzylidene-1,3-diphenyl-pyrimidine-2,4,6-trione 42451-49-0 C23H16N2O3
    5-benzylidene-1,3-diphenyl-pyrimidine-2,4,6-trione
    —— 5-ethyl-3-phenyl-oxazolidine-2,4-dione 92288-53-4 C11H11NO3
    5-ethyl-3-phenyl-oxazolidine-2,4-dione
    —— 5-[(2S)-2-[(4S,5S,6S)-6-[(1R)-1-azidoethyl]-2,2,5-trimethyl-1,3-dioxan-4-yl]propyl]sulfonyl-1-phenyltetrazole 639006-83-0 C19H27N7O4S
    5-[(2S)-2-[(4S,5S,6S)-6-[(1R)-1-azidoethyl]-2,2,5-trimethyl-1,3-dioxan-4-yl]propyl]sulfonyl-1-phenyltetrazole
    —— 5-butyl-eicosan-5-ol 105359-53-3 C24H50O
    5-butyl-eicosan-5-ol
    —— 5-(tert-butoxy)-1-phenyl-2-pyrrolidone 1261063-21-1 C14H19NO2
    5-(tert-butoxy)-1-phenyl-2-pyrrolidone
    —— 5-methyl-4-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)phenoxymethyl]furan-2-carboxylic acid methyl ester 736183-28-1 C20H25BO6
    5-methyl-4-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)phenoxymethyl]furan-2-carboxylic acid methyl ester
    —— (5S,6R,7R,2E,8E)-7-(tert-butyldimethylsilyloxy)-5-hydroxy-2,6,8-trimethyl-2,8-decadienoic acid methyl ester 760985-05-5 C20H38O4Si
    (5S,6R,7R,2E,8E)-7-(tert-butyldimethylsilyloxy)-5-hydroxy-2,6,8-trimethyl-2,8-decadienoic acid methyl ester
    —— 5-methoxy-2-(2-methoxyphenyl)-3,4-dihydronaphthalen-1(2H)-one 1592683-87-8 C18H18O3
    5-methoxy-2-(2-methoxyphenyl)-3,4-dihydronaphthalen-1(2H)-one
    —— 5-((tert-Butyldimethylsilyl)oxy)-3-methyl-2(E)-pentenoic Acid 88968-96-1 C12H24O3Si
    5-((tert-Butyldimethylsilyl)oxy)-3-methyl-2(E)-pentenoic Acid
    —— 5α-22-isoallospirost-9(11)-en-3β-ol 3-acetate 914-85-2 C29H44O4
    5α-22-isoallospirost-9(11)-en-3β-ol 3-acetate
    —— 5-chloro-4,6-difluoro-1,2,3-triazine 117632-52-7 C3ClF2N3
    5-chloro-4,6-difluoro-1,2,3-triazine
    —— 5-fluoro-2,3-bis(phenylselanyl)benzofuran 1128143-79-2 C20H13FOSe2
    5-fluoro-2,3-bis(phenylselanyl)benzofuran
    —— 5-(Ethoxycarbonyl)-1H-tetrazol-1-essigsaeureaethylester 52130-20-8 C8H12N4O4
    5-(Ethoxycarbonyl)-1H-tetrazol-1-essigsaeureaethylester
    —— 5,6,7,8-tetrahydro-5-methoxy-2-phenyl-3-(phenylselanyl)-4H-cyclohepta[b]furan 1023722-39-5 C22H22O2Se
    5,6,7,8-tetrahydro-5-methoxy-2-phenyl-3-(phenylselanyl)-4H-cyclohepta[b]furan
    —— 5-methyl-1-(4-nitrobenzyl)indoline-2,3-dione 1020957-94-1 C16H12N2O4
    5-methyl-1-(4-nitrobenzyl)indoline-2,3-dione
    —— 5-bromo-4,6-difluoro-1H-indole-3-carbaldehyde 1467059-98-8 C9H4BrF2NO
    5-bromo-4,6-difluoro-1H-indole-3-carbaldehyde
    —— 5,7-dichloro-3-(1H-indol-3-yl)-1H-indole 211233-41-9 C16H10Cl2N2
    5,7-dichloro-3-(1H-indol-3-yl)-1H-indole
    —— 5-(4-chloro-2-methoxyphenyl)-[1,3,4]oxathiazol-2-one 1134784-72-7 C9H6ClNO3S
    5-(4-chloro-2-methoxyphenyl)-[1,3,4]oxathiazol-2-one
    —— 5-phenylthio-1-<2-(trimethylsilyl)ethoxy>methyl-1H-pyrazole 133560-59-5 C15H22N2OSSi
    5-phenylthio-1-<2-(trimethylsilyl)ethoxy>methyl-1H-pyrazole
    —— 5,6-dimethyl-4-hydroxy-3-methoxy-2-pyridone 134272-25-6 C8H11NO3
    5,6-dimethyl-4-hydroxy-3-methoxy-2-pyridone
    —— 5-carboethoxy-3-methoxy-2-cyclopenten-1-one 1118945-02-0 C9H12O4
    5-carboethoxy-3-methoxy-2-cyclopenten-1-one
    —— 5-phenyl-4-(phenylselanyl)selenopheno[2,3-b]thiophene 1218795-48-2 C18H12SSe2
    5-phenyl-4-(phenylselanyl)selenopheno[2,3-b]thiophene
    —— 5-methyl-2,3-bis(phenylselanyl)benzofuran 1128143-76-9 C21H16OSe2
    5-methyl-2,3-bis(phenylselanyl)benzofuran
    —— 5-[8-bromo-9-(1-ethyl-propyl)-2-(8-oxa-3-aza-bicyclo[3.2.1]oct-3-yl)-9H-purin-6-yl]-pyrazin-2-ylamine 1313026-72-0 C20H25BrN8O
    5-[8-bromo-9-(1-ethyl-propyl)-2-(8-oxa-3-aza-bicyclo[3.2.1]oct-3-yl)-9H-purin-6-yl]-pyrazin-2-ylamine
    —— 5-hydroxy-6,7-dimethyl[1,3]thiazolo[4,5-b]pyridin-2(3H)-one 128322-98-5 C8H8N2O2S
    5-hydroxy-6,7-dimethyl[1,3]thiazolo[4,5-b]pyridin-2(3H)-one
    —— 5-[3-(1-ethylpropyl)-2-oxo-2,3-dihydro-1H-benzimidazol-5-yl]-1-methyl-1H-pyrrole-2-carbonitrile 860617-59-0 C18H20N4O
    5-[3-(1-ethylpropyl)-2-oxo-2,3-dihydro-1H-benzimidazol-5-yl]-1-methyl-1H-pyrrole-2-carbonitrile
    —— 5,6-dihydro-6,6-dimethyl-2H-pyran-2-one 19895-34-2 C7H10O2
    5,6-dihydro-6,6-dimethyl-2H-pyran-2-one
    —— 5-methyl-N-tosylpyrrolidin-2-one 138816-53-2 C12H15NO3S
    5-methyl-N-tosylpyrrolidin-2-one
    —— 5-(12-Heneicosenyl)-1,3-benzenediol 189562-00-3 C27H46O2
    5-(12-Heneicosenyl)-1,3-benzenediol
    —— 5-bromo-2-butyl-3-phenylselanyl-5,6,7,8-tetrahydro-4H-cyclohepta[b]furan 1023722-43-1 C19H23BrOSe
    5-bromo-2-butyl-3-phenylselanyl-5,6,7,8-tetrahydro-4H-cyclohepta[b]furan
    —— 5-[2-chloro-9-(1-ethyl-propyl)-9H-purin-6-yl]-pyrazin-2-ylamine 1313026-81-1 C14H16ClN7
    5-[2-chloro-9-(1-ethyl-propyl)-9H-purin-6-yl]-pyrazin-2-ylamine
    —— 5-bromo-5,6,7,8-tetrahydro-2-phenyl-3-(phenylselanyl)-4H-cyclohepta[b]furan 1023722-41-9 C21H19BrOSe
    5-bromo-5,6,7,8-tetrahydro-2-phenyl-3-(phenylselanyl)-4H-cyclohepta[b]furan
    —— 5-[(E)-2-(3,5-dichloro-4-pyridinyl)ethenyl]-3-isoxazolecarboxylic acid 3-pentyl ester 1189360-67-5 C16H16Cl2N2O3
    5-[(E)-2-(3,5-dichloro-4-pyridinyl)ethenyl]-3-isoxazolecarboxylic acid 3-pentyl ester
    —— 5-fluoro-1-methyl-1H-indole-2-carboxylic acid methyl ester 893731-88-9 C11H10FNO2
    5-fluoro-1-methyl-1H-indole-2-carboxylic acid methyl ester
    —— 5-phenyl-4-(phenylselenyl)-3-(2-(phenylselenyl)ethyl)-2,2'-bifuran 1373826-52-8 C28H22O2Se2
    5-phenyl-4-(phenylselenyl)-3-(2-(phenylselenyl)ethyl)-2,2'-bifuran
    —— 5-(3,5-dimethoxyphenyl)-3,6-dimethyl-4-(2,4,6-trifluorophenyl)-2H-pyran-2-one 1416363-73-9 C21H17F3O4
    5-(3,5-dimethoxyphenyl)-3,6-dimethyl-4-(2,4,6-trifluorophenyl)-2H-pyran-2-one
    —— 5-butyl-4,6-dichloro-pyrimidine 4033-89-0 C8H10Cl2N2
    5-butyl-4,6-dichloro-pyrimidine
    —— 5-tert-butoxycarbonyloxy-isophthalic acid diethyl ester 918402-87-6 C17H22O7
    5-tert-butoxycarbonyloxy-isophthalic acid diethyl ester
    —— 5-[(E)-2-(3,5-dichloro-4-pyridinyl)ethenyl]-3-isoxazolecarboxylic acid ethyl ester 1189360-55-1 C13H10Cl2N2O3
    5-[(E)-2-(3,5-dichloro-4-pyridinyl)ethenyl]-3-isoxazolecarboxylic acid ethyl ester
    —— 5-[(1R)-1-(tert-butyldimethylsilanyloxy)pentyl]-(4R,5S)-4-[(2S)-1,4-dioxaspiro[4.5]dec-2-yl]-4,5-dihydrofuran-2(3H)-one 1013910-08-1 C23H42O5Si
    5-[(1R)-1-(tert-butyldimethylsilanyloxy)pentyl]-(4R,5S)-4-[(2S)-1,4-dioxaspiro[4.5]dec-2-yl]-4,5-dihydrofuran-2(3H)-one
    —— 5-Hexenyl glucosinolate 76265-24-2 C13H23NO9S2
    5-Hexenyl glucosinolate
    —— 5,7-difluoro-2,3-dimethylquinolin-4-ol 1179707-37-9 C11H9F2NO
    5,7-difluoro-2,3-dimethylquinolin-4-ol
    —— 5-chloro-6-(5-chloropyridin-2-yloxy)-4-hydroxy-2,3-dimethylquinoline 875774-84-8 C16H12Cl2N2O2
    5-chloro-6-(5-chloropyridin-2-yloxy)-4-hydroxy-2,3-dimethylquinoline