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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(p-chlorophenylazo)-N-(p-nitrobenzylidene)anthranilic acid 654649-23-7 C20H13ClN4O4
    5-(p-chlorophenylazo)-N-(p-nitrobenzylidene)anthranilic acid
    —— 5-fluoro-3'-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-5'-methyl-spiro[3H-indole-3,2'-thiazolidine]-2,4'(1H)-dione 1320357-49-0 C22H19FN4O3S
    5-fluoro-3'-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-5'-methyl-spiro[3H-indole-3,2'-thiazolidine]-2,4'(1H)-dione
    —— 5'-phosphono-5-deoxypyridoxal 75265-55-3 C8H8NO5P
    5'-phosphono-5-deoxypyridoxal
    —— 5-methyl-3-((4-(2-oxo-2H-chromen-3-yl)thiazol-2-yl)amino)-2-(p-tolyl)thiazolidin-4-one 1309383-23-0 C23H19N3O3S2
    5-methyl-3-((4-(2-oxo-2H-chromen-3-yl)thiazol-2-yl)amino)-2-(p-tolyl)thiazolidin-4-one
    —— 5-hydroxy-3-(4-(3-((2-methoxybenzyl)(methyl)amino)propoxy)phenyl)-7-(methoxy methoxy)-4H-chromen-4-one 1439919-30-8 C29H31NO7
    5-hydroxy-3-(4-(3-((2-methoxybenzyl)(methyl)amino)propoxy)phenyl)-7-(methoxy methoxy)-4H-chromen-4-one
    —— 5,5-difluoro-6,6-bis(trifluoromethyl)-7-oxabicyclo[2.2.1]hept-2-ene 116341-99-2 C8H4F8O
    5,5-difluoro-6,6-bis(trifluoromethyl)-7-oxabicyclo[2.2.1]hept-2-ene
    —— (5S,6S)-9-((E)-3-methoxybenzylidene)-6-(3-methoxyphenyl)-2,4,8-triphenyl-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one 1255704-67-6 C39H31N3O3
    (5S,6S)-9-((E)-3-methoxybenzylidene)-6-(3-methoxyphenyl)-2,4,8-triphenyl-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one
    —— 5-((6S)-4-methyl-6-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)cyclohexa-1,3-dien-1-yl)-5-oxo-4-(phenylsulfonyl)pentanal 1613055-68-7 C24H30O6S
    5-((6S)-4-methyl-6-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)cyclohexa-1,3-dien-1-yl)-5-oxo-4-(phenylsulfonyl)pentanal
    —— 5-{[7-Butoxy-5-hydroxy-2,2-dimethyl-chroman-(4E)-ylideneamino]-methyl}-isoxazol-3-ol 136135-90-5 C19H24N2O5
    5-{[7-Butoxy-5-hydroxy-2,2-dimethyl-chroman-(4E)-ylideneamino]-methyl}-isoxazol-3-ol
    —— 5-{2-[(2,6-dichlorophenyl)amino]benzyl}-1,3,4-thiadiazol-2-amine 1256942-77-4 C15H12Cl2N4S
    5-{2-[(2,6-dichlorophenyl)amino]benzyl}-1,3,4-thiadiazol-2-amine
    —— 5-isopropyl-3-(2-nitro-phenyl)-2-thioxo-imidazolidin-4-one 100115-26-2 C12H13N3O3S
    5-isopropyl-3-(2-nitro-phenyl)-2-thioxo-imidazolidin-4-one
    —— 5-(benzyloxy)-3-(4-(benzyloxy)phenyl)-4-oxo-4H-chromen-7-yl-4-methylbenzenesulfonate 1610737-92-2 C36H28O7S
    5-(benzyloxy)-3-(4-(benzyloxy)phenyl)-4-oxo-4H-chromen-7-yl-4-methylbenzenesulfonate
    —— (+)-(5Z)-(3R)-<(tert-butyldimethylsilyl)oxy>-5-undecen-1-yne 140175-54-8 C17H32OSi
    (+)-(5Z)-(3R)-<(tert-butyldimethylsilyl)oxy>-5-undecen-1-yne
    —— 5-methyl-5β-cholestan-3-one 13163-71-8 C28H48O
    5-methyl-5β-cholestan-3-one
    —— (5S,6S)-9-((E)-4-chlorobenzylidene)-6-(4-chlorophenyl)-2,4,8-triphenyl-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one 1255704-63-2 C37H25Cl2N3O
    (5S,6S)-9-((E)-4-chlorobenzylidene)-6-(4-chlorophenyl)-2,4,8-triphenyl-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one
    —— 5-(1H-indol-5-yl)-1,3,4-oxadiazol-2(3H)-one 1401349-64-1 C10H7N3O2
    5-(1H-indol-5-yl)-1,3,4-oxadiazol-2(3H)-one
    —— 5-{4-[2-(5-ethylpyridin-2-yl)-2-mesylethoxy]benzylidene}-2,4-thiazolidene dione 646519-90-6 C20H20N2O6S2
    5-{4-[2-(5-ethylpyridin-2-yl)-2-mesylethoxy]benzylidene}-2,4-thiazolidene dione
    —— 5'-trimethylsilylfuran-2'-yloxoacetaldehyde 17881-62-8 C9H12O3Si
    5'-trimethylsilylfuran-2'-yloxoacetaldehyde
    —— 5-ethyl 3,4-dimethyl 4,5-Dihydro-5-(trifluoromethyl)-1H-pyrazole-3,4,5-tricarboxylate 1644530-49-3 C11H13F3N2O6
    5-ethyl 3,4-dimethyl 4,5-Dihydro-5-(trifluoromethyl)-1H-pyrazole-3,4,5-tricarboxylate
    —— (5S,6S)-9-((E)-2-methoxybenzylidene)-6-(2-methoxyphenyl)-2,4,8-triphenyl-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one 1255704-65-4 C39H31N3O3
    (5S,6S)-9-((E)-2-methoxybenzylidene)-6-(2-methoxyphenyl)-2,4,8-triphenyl-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one
    —— 5-methyl-5-methoxy-1,1,1-trifluoroundec-3-yn-2-one 141562-03-0 C13H19F3O2
    5-methyl-5-methoxy-1,1,1-trifluoroundec-3-yn-2-one
    —— 5,5,11,11-tetrafluoro-2,4,8,10-tetramethyl-5,6,11,12-tetrahydrodibenzo[b,f][1,5]digermocine 136948-90-8 C18H20F4Ge2
    5,5,11,11-tetrafluoro-2,4,8,10-tetramethyl-5,6,11,12-tetrahydrodibenzo[b,f][1,5]digermocine
    —— 5-<<<(2,6-dichlorophenyl)amino>phenyl>acetylamino>-salicylic acid methyl ester 126770-21-6 C22H18Cl2N2O4
    5-<<<(2,6-dichlorophenyl)amino>phenyl>acetylamino>-salicylic acid methyl ester
    —— 5-(prop-2-enyl)-5α-cholestan-3-one 111705-11-4 C30H50O
    5-(prop-2-enyl)-5α-cholestan-3-one
    —— 5-cyclobutylpentanoic acid 4415-89-8 C9H16O2
    5-cyclobutylpentanoic acid
    —— 5-ethyl-2-furyl-ethanoic acid chloride 89214-32-4 C8H9ClO2
    5-ethyl-2-furyl-ethanoic acid chloride
    —— 5β-cholestane-3α,4α,5-triol 116407-25-1 C27H48O3
    5β-cholestane-3α,4α,5-triol
    —— (5S)-methyl 5-hydroxy-8-(tetrahydropyran-2-yloxy)-6-octynoate 148519-80-6 C14H22O5
    (5S)-methyl 5-hydroxy-8-(tetrahydropyran-2-yloxy)-6-octynoate
    —— 5,5,5-trifluoro-4,4-bis-trifluoromethyl-pentanal 6248-34-6 C7H5F9O
    5,5,5-trifluoro-4,4-bis-trifluoromethyl-pentanal
    —— (5-(bicyclo[2.2.1]hept-5-en-2-yl)pentyl)magnesium bromide 1166986-98-6 C12H19BrMg
    (5-(bicyclo[2.2.1]hept-5-en-2-yl)pentyl)magnesium bromide
    —— [5-azoniaspiro[4.4]nonane][fac-W(CO)<sub>3</sub>(CH<sub>3</sub>CH<sub>2</sub>CN)(bis((diphenylphosphino)methyl)diphenylborate)] 1569457-14-2 C8H16N*C44H39BNO3P2W
    [5-azoniaspiro[4.4]nonane][fac-W(CO)<sub>3</sub>(CH<sub>3</sub>CH<sub>2</sub>CN)(bis((diphenylphosphino)methyl)diphenylborate)]
    —— 5-(4-iodophenyl)-10,15,20-triphenylporphinato zinc(II) 159901-45-8 C44H27IN4Zn
    5-(4-iodophenyl)-10,15,20-triphenylporphinato zinc(II)
    —— (5r,6s)-1,10-dimethoxy-3,3,5,6,8,8-hexakis(perfluorophenyl)-3,8-dihydro-2l3,3l4,8l4,9l3-benzo[1,2-d:4,3-d']bis([1,3,2]dioxaborinine) 1370370-79-8 C46H6B2F30O6
    (5r,6s)-1,10-dimethoxy-3,3,5,6,8,8-hexakis(perfluorophenyl)-3,8-dihydro-2l3,3l4,8l4,9l3-benzo[1,2-d:4,3-d']bis([1,3,2]dioxaborinine)
    —— 5,7-dihydroxy-4'-perfluorooctylsulfonyloxyisoflavone 1069128-86-4 C23H9F17O7S
    5,7-dihydroxy-4'-perfluorooctylsulfonyloxyisoflavone
    —— 5-bromo-1-tetralone p-toluenesulfonhydrazone 909248-38-0 C17H17BrN2O2S
    5-bromo-1-tetralone p-toluenesulfonhydrazone
    —— (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl (S)-N-(tert-butoxycarbonyl)-3-hydroxy-α-methyltyrosinate 86005-08-5 C20H25NO9
    (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl (S)-N-(tert-butoxycarbonyl)-3-hydroxy-α-methyltyrosinate
    —— [5-(benzyloxy)-2-bromo-4-methoxyphenyl](phenyl)methanol 1569316-39-7 C21H19BrO3
    [5-(benzyloxy)-2-bromo-4-methoxyphenyl](phenyl)methanol
    —— 5-fluoro-1-((2R,4S,5R)-4-hydroxy-5-(((6-methoxy-2-oxido-4H-benzo[d][1,3,2]dioxaphosphinin-2-yl)oxy)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione 195971-19-8 C17H18FN2O9P
    5-fluoro-1-((2R,4S,5R)-4-hydroxy-5-(((6-methoxy-2-oxido-4H-benzo[d][1,3,2]dioxaphosphinin-2-yl)oxy)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione
    —— 5-benzyloxycarbonylamino-3-oxo-2-(2-phenoxy-acetoxy)-pentanoic acid ethyl ester 1454302-66-9 C23H25NO8
    5-benzyloxycarbonylamino-3-oxo-2-(2-phenoxy-acetoxy)-pentanoic acid ethyl ester
    —— 5-vinyl-3',5'-di-O-acetyl-2'-deoxyuridine 84574-82-3 C15H18N2O7
    5-vinyl-3',5'-di-O-acetyl-2'-deoxyuridine
    —— 5-methyl-3'-[2-(trifluoromethyl)]-5'-methyl-spiro[3H-indole-3,2'-thiazolidine]-2,4'(1H)-dione 197585-03-8 C19H15F3N2O2S
    5-methyl-3'-[2-(trifluoromethyl)]-5'-methyl-spiro[3H-indole-3,2'-thiazolidine]-2,4'(1H)-dione
    —— 5,5'-dibromo-2,2'-bis-methoxymethoxy-benzil 408337-59-7 C18H16Br2O6
    5,5'-dibromo-2,2'-bis-methoxymethoxy-benzil
    —— 5-methyl-19-nor-5β-cholest-9-ene-3β,6β-diol 1570-85-0 C27H46O2
    5-methyl-19-nor-5β-cholest-9-ene-3β,6β-diol
    —— 5-chloro-3'-(1H-benzimidazol-2-yl)-5'-methyl-spiro[3H-indole-3,2'-thiazolidine]-2,4(1H)-dione 1320357-51-4 C18H13ClN4O2S
    5-chloro-3'-(1H-benzimidazol-2-yl)-5'-methyl-spiro[3H-indole-3,2'-thiazolidine]-2,4(1H)-dione
    —— 5-(2,4-difluorophenoxy)-3-(3-(2-methoxyethoxy)-4-nitrophenyl)-1,3,4-oxadiazol-2(3H)-one 1169939-64-3 C17H13F2N3O7
    5-(2,4-difluorophenoxy)-3-(3-(2-methoxyethoxy)-4-nitrophenyl)-1,3,4-oxadiazol-2(3H)-one
    —— (5S,6S)-9-((E)-4-methylbenzylidene)-2,4,8-triphenyl-6-(p-tolyl)-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one 1255704-61-0 C39H31N3O
    (5S,6S)-9-((E)-4-methylbenzylidene)-2,4,8-triphenyl-6-(p-tolyl)-2,3,7-triazaspiro[4.4]nona-3,7-dien-1-one
    —— 5-vinyl-5α-cholestan-3-one ethylene acetal 13946-23-1 C31H52O2
    5-vinyl-5α-cholestan-3-one ethylene acetal
    —— 5-acetamidomethyl-3-acetoxyisoxazole 96820-01-8 C8H10N2O4
    5-acetamidomethyl-3-acetoxyisoxazole
    —— 5-pentyloxy-[1,3,4]thiadiazol-2-ylamine 16784-27-3 C7H13N3OS
    5-pentyloxy-[1,3,4]thiadiazol-2-ylamine
    —— 5-chloro-3',6'-dimethyl-1'-phenyl-6',8'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-e][1,4] thiazepine]-2,7'(1'H)-dione 1318252-81-1 C21H17ClN4O2S
    5-chloro-3',6'-dimethyl-1'-phenyl-6',8'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-e][1,4] thiazepine]-2,7'(1'H)-dione