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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-[2-(tert-butyl-dimethyl-silanyloxy)-ethoxy]-4-chloro-2-methyl-phenylamine semicarbazide 1273550-44-9 C16H28ClN3O3Si
    5-[2-(tert-butyl-dimethyl-silanyloxy)-ethoxy]-4-chloro-2-methyl-phenylamine semicarbazide
    —— 5-butyl-1-methyl-3-phenyl-1H-1,2,3-triazol-3-ium iodide 1258275-46-5 C13H18N3*I
    5-butyl-1-methyl-3-phenyl-1H-1,2,3-triazol-3-ium iodide
    —— 5′-(S)-[(2-Fluoro-1,1′-biphenyl-4-yl)propanoyl]-thymidine 1394164-75-0 C25H25FN2O6
    5′-(S)-[(2-Fluoro-1,1′-biphenyl-4-yl)propanoyl]-thymidine
    —— 5-chloro-N-((1-(4-iodophenyl)-1H-imidazol-4-yl)methyl)thiophene-2-carboxamide 945559-61-5 C15H11ClIN3OS
    5-chloro-N-((1-(4-iodophenyl)-1H-imidazol-4-yl)methyl)thiophene-2-carboxamide
    —— 5-benzyl-5,11-dihydro-6H-dibenzo[b,e]azepin-6-one 3311-41-9 C21H17NO
    5-benzyl-5,11-dihydro-6H-dibenzo[b,e]azepin-6-one
    —— 5-bromomethyl-1-phenylpyridine-2(1H)-one 1347692-68-5 C12H10BrNO
    5-bromomethyl-1-phenylpyridine-2(1H)-one
    —— 5-amino-1-chloro-5-methyl-2-phenyl-3-hexyne-2-ol 124067-32-9 C13H16ClNO
    5-amino-1-chloro-5-methyl-2-phenyl-3-hexyne-2-ol
    —— 5-ethoxy-2-methyl-4-(2-(methylthio)ethyl)oxazole 1353566-14-9 C9H15NO2S
    5-ethoxy-2-methyl-4-(2-(methylthio)ethyl)oxazole
    —— (5R,6E,8E,10Z,12S)-12-((tert-butyldimethylsilyl)oxy)-2,2,18,18,19,19-hexamethyl-5-((Z)-oct-2-en-1-yl)-3,3-diphenyl-4,17-dioxa-3,18-disilaicosa-6,8,10-triene 162497-44-1 C48H80O3Si3
    (5R,6E,8E,10Z,12S)-12-((tert-butyldimethylsilyl)oxy)-2,2,18,18,19,19-hexamethyl-5-((Z)-oct-2-en-1-yl)-3,3-diphenyl-4,17-dioxa-3,18-disilaicosa-6,8,10-triene
    —— 5,5-difluoro-6,6-bis(trifluoromethyl)bicyclo[2.2.2]oct-2-ene 118648-07-0 C10H8F8
    5,5-difluoro-6,6-bis(trifluoromethyl)bicyclo[2.2.2]oct-2-ene
    —— 5-formyl-2,3,7,8,12,13,17,18-octaethylporphyrinatonickel(II) 52518-61-3 C37H44N4NiO
    5-formyl-2,3,7,8,12,13,17,18-octaethylporphyrinatonickel(II)
    —— 5-bromo-6β,19-epoxy-5α-androstane-3β,17β-diol 17-acetate 96172-02-0 C21H31BrO4
    5-bromo-6β,19-epoxy-5α-androstane-3β,17β-diol 17-acetate
    —— 5-(3-chlorophenyl)-3-[2-(chlorocarbonyloxy)-1,1-dimethylethyl]-4-methyloxazolin-2-one 913728-79-7 C15H15Cl2NO4
    5-(3-chlorophenyl)-3-[2-(chlorocarbonyloxy)-1,1-dimethylethyl]-4-methyloxazolin-2-one
    —— 5-amino-4-anilino-6-chloro-2-methylpyrimidine 129006-34-4 C11H11ClN4
    5-amino-4-anilino-6-chloro-2-methylpyrimidine
    —— 5-(2,4,6-trihydroxyphenyl)-6-(4-hydroxyphenyl)imidazo[1,2-a]pyrimidine 1357294-57-5 C18H13N3O4
    5-(2,4,6-trihydroxyphenyl)-6-(4-hydroxyphenyl)imidazo[1,2-a]pyrimidine
    —— 5α-androst-17α-methyl-17β-hydroxy-3-ethylene ketal 75245-99-7 C22H36O3
    5α-androst-17α-methyl-17β-hydroxy-3-ethylene ketal
    —— 5-p-Brombenzyliden-2-methylthiorhodanin 28996-12-5 C11H8BrNOS2
    5-p-Brombenzyliden-2-methylthiorhodanin
    —— 5-(1-hydroxyoctylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione 66696-81-9 C14H22O5
    5-(1-hydroxyoctylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5-nitro-3-carboxymethylphenylisocyanate 936719-22-1 C9H6N2O5
    5-nitro-3-carboxymethylphenylisocyanate
    —— 5-formyl-3-phenethylisoxazoline 1315468-46-2 C12H13NO2
    5-formyl-3-phenethylisoxazoline
    —— 5'-O-(4,4'-dimethoxytrityl)-P-(2-cyanoethyl)-T(6-4)C 215117-15-0 C43H47N6O13P
    5'-O-(4,4'-dimethoxytrityl)-P-(2-cyanoethyl)-T(6-4)C
    —— (5,6-Dimethyl-benzothiazol-2-yl)-(1H-imidazo[4,5-c]pyridin-2-yl)-amine 103588-30-3 C15H13N5S
    (5,6-Dimethyl-benzothiazol-2-yl)-(1H-imidazo[4,5-c]pyridin-2-yl)-amine
    —— 5-bromo decaborane(14) 46362-35-0 B10BrH13
    5-bromo decaborane(14)
    —— 5,5'-(2,3-dihydroxybutane-1,4-diyl)bis(acetylazanediyl)bis(N1-(1,3-dihydroxypropan-2-yl)-N3-(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide) 1186058-02-5 C36H46I6N6O16
    5,5'-(2,3-dihydroxybutane-1,4-diyl)bis(acetylazanediyl)bis(N1-(1,3-dihydroxypropan-2-yl)-N3-(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide)
    —— 5-bromo-3',6'-dimethyl-1'-phenyl-6',8'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-e][1,4]thiazepine]-2,7'(1'H)-dione 1382998-61-9 C21H17BrN4O2S
    5-bromo-3',6'-dimethyl-1'-phenyl-6',8'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-e][1,4]thiazepine]-2,7'(1'H)-dione
    —— 5-(4-Chlorophenyl)-1,3-thiazol-2(3H)-one 86869-48-9 C9H6ClNOS
    5-(4-Chlorophenyl)-1,3-thiazol-2(3H)-one
    —— 5-fluoro-1-methylcarbamoylisatin 107582-86-5 C10H7FN2O3
    5-fluoro-1-methylcarbamoylisatin
    —— (5S,8E,10E,12R,14Z)-5,12-dihydroxyicosa-8,10,14-trien-6-ynoic acid 90108-37-5 C20H30O4
    (5S,8E,10E,12R,14Z)-5,12-dihydroxyicosa-8,10,14-trien-6-ynoic acid
    —— 5α-androstan-3β,4β,17β-triol 59599-19-8 C19H32O3
    5α-androstan-3β,4β,17β-triol
    —— 5,8-dioxooctyl acetate 1262848-40-7 C10H16O4
    5,8-dioxooctyl acetate
    —— 5α,6β-Dibrom-3-oxo-cholestan 2515-09-5 C27H44Br2O
    5α,6β-Dibrom-3-oxo-cholestan
    —— 5-acetylamino-N-(2-hydroxy-ethyl)-N'-(2-hydroxy-1-hydroxymethyl-ethyl)-2,4,6-triiodo-isophthalamide 1186058-08-1 C15H18I3N3O6
    5-acetylamino-N-(2-hydroxy-ethyl)-N'-(2-hydroxy-1-hydroxymethyl-ethyl)-2,4,6-triiodo-isophthalamide
    —— 5-hydroxy-3-(4-hydroxy-phenyl)-7-(4-nitro-benzyloxy)-chromen-4-one 874532-59-9 C22H15NO7
    5-hydroxy-3-(4-hydroxy-phenyl)-7-(4-nitro-benzyloxy)-chromen-4-one
    —— 5-ethoxymethylene-4-thioxothiazolidin-2-one 112801-31-7 C6H7NO2S2
    5-ethoxymethylene-4-thioxothiazolidin-2-one
    —— 5-bromo-5α-cholestanol-(3β) 84983-51-7 C27H47BrO
    5-bromo-5α-cholestanol-(3β)
    —— 5-methyl-8-tert-butoxycarbonyloxyquinoline 1392143-26-8 C15H17NO3
    5-methyl-8-tert-butoxycarbonyloxyquinoline
    —— [5-(2,4-Dichloro-phenoxymethyl)-[1,3,4]thiadiazol-2-yl]-[1-(2-methoxy-phenyl)-meth-(E)-ylidene]-amine 145666-27-9 C17H13Cl2N3O2S
    [5-(2,4-Dichloro-phenoxymethyl)-[1,3,4]thiadiazol-2-yl]-[1-(2-methoxy-phenyl)-meth-(E)-ylidene]-amine
    —— 5-(4-methoxy-2,3,6-trimethylphenyl)-3-methyl-4-fluoro-2(E),4(Z)-pentadien-1-ol 63651-27-4 C16H21FO2
    5-(4-methoxy-2,3,6-trimethylphenyl)-3-methyl-4-fluoro-2(E),4(Z)-pentadien-1-ol
    —— 5-endo-isopropenyl-5-exo-(phenylsulfonyl)bicyclo<2.2.1>-2-heptene 114596-99-5 C16H18O2S
    5-endo-isopropenyl-5-exo-(phenylsulfonyl)bicyclo<2.2.1>-2-heptene
    —— 5-iodo-4-oxo-4H-1,3-dioxine-2-spirocyclohexane 110168-53-1 C9H11IO3
    5-iodo-4-oxo-4H-1,3-dioxine-2-spirocyclohexane
    —— 5-(hydroxymethyl)-8-methyl-2-phenyl-5,8-dihydro-1H-[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dione 109065-20-5 C14H15N3O3
    5-(hydroxymethyl)-8-methyl-2-phenyl-5,8-dihydro-1H-[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dione
    —— 5β,6β-dihydro-1'H-azirino[5,6]-5α-androstane-3β,17β-diol 165194-93-4 C19H31NO2
    5β,6β-dihydro-1'H-azirino[5,6]-5α-androstane-3β,17β-diol
    —— 5-amino-1-(tri-O-benzyl-D-arabinofuranosyl)-1H-imidazole-4-carboxylic acid ethyl ester 69275-14-5 C32H35N3O6
    5-amino-1-(tri-O-benzyl-D-arabinofuranosyl)-1H-imidazole-4-carboxylic acid ethyl ester
    —— 5-anilino-4-antipyrinylazo-2-benzoyl-3-methylthiophene 1346240-79-6 C29H25N5O2S
    5-anilino-4-antipyrinylazo-2-benzoyl-3-methylthiophene
    —— 5-oxo-5-(1,3-dithian-2-yl)pentanoic acid 85539-71-5 C9H14O3S2
    5-oxo-5-(1,3-dithian-2-yl)pentanoic acid
    —— 5α-hydroxy-6β-methylandrostane-3,17-dione 110311-65-4 C20H30O3
    5α-hydroxy-6β-methylandrostane-3,17-dione
    —— 5'-O-(4,4'-dimethoxytrityl)-P-(2-cyanoethyl)-T(6-4)C 3'-levulinate 215117-08-1 C48H53N6O15P
    5'-O-(4,4'-dimethoxytrityl)-P-(2-cyanoethyl)-T(6-4)C 3'-levulinate
    —— 5,5-difluoro-10-iodo-5H-4λ<sup>4</sup>,5λ<sup>4</sup>-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine 1414345-81-5 C9H6BF2IN2
    5,5-difluoro-10-iodo-5H-4λ<sup>4</sup>,5λ<sup>4</sup>-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine
    —— 5(S)-(1',2'-O-Isopropyliden-D-arabino-tetrahydroxybutyl)-3-methyl-1,3-oxazolidin-2-yliden-malonitril 105874-13-3 C14H19N3O5
    5(S)-(1',2'-O-Isopropyliden-D-arabino-tetrahydroxybutyl)-3-methyl-1,3-oxazolidin-2-yliden-malonitril
    —— [5-(2,4-Dichloro-phenoxymethyl)-[1,3,4]thiadiazol-2-yl]-[1-(3-nitro-phenyl)-meth-(E)-ylidene]-amine 132547-10-5 C16H10Cl2N4O3S
    [5-(2,4-Dichloro-phenoxymethyl)-[1,3,4]thiadiazol-2-yl]-[1-(3-nitro-phenyl)-meth-(E)-ylidene]-amine