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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,7,8,9,10-pentafluorobenzo[f]quinoline-6-ol 1373828-59-1 C13H4F5NO
    5,7,8,9,10-pentafluorobenzo[f]quinoline-6-ol
    —— 5-[4-[(E)-2-(4-methoxyphenyl)vinyl]phenyl]-1,2-dimethylimidazole 1333128-06-5 C20H20N2O
    5-[4-[(E)-2-(4-methoxyphenyl)vinyl]phenyl]-1,2-dimethylimidazole
    —— 5,6,13,13a-tetrahydro-2,3,9,10-tetramethoxy-5-oxo-8H-dibenzo[a,g][3]quinolizine ethylene acetal 107887-62-7 C23H27NO6
    5,6,13,13a-tetrahydro-2,3,9,10-tetramethoxy-5-oxo-8H-dibenzo[a,g][3]quinolizine ethylene acetal
    —— 5-[(3aS,4R,5R,6aS)-4-[(E)-(S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-oct-1-en-6-ynyl]-5-hydroxy-hexahydro-pentalen-(2E)-ylidene]-pentanoic acid methyl ester 126436-90-6 C29H48O4Si
    5-[(3aS,4R,5R,6aS)-4-[(E)-(S)-3-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-oct-1-en-6-ynyl]-5-hydroxy-hexahydro-pentalen-(2E)-ylidene]-pentanoic acid methyl ester
    —— 5-nitrovanillin 134610-91-6 C14H11N3O4
    5-nitrovanillin
    —— ({(5S)-2-oxido-5-[(N<sup>4</sup>-pivaloylcytosin-1-yl)methyl]-1,4,2-dioxaphosphinan-2-yl}oxy)methyl pivalate 1608457-52-8 C19H30N3O8P
    ({(5S)-2-oxido-5-[(N<sup>4</sup>-pivaloylcytosin-1-yl)methyl]-1,4,2-dioxaphosphinan-2-yl}oxy)methyl pivalate
    —— 5,7-Dihydro-6H-dibenz[c,e)azepine-6-carbonitrile 105951-95-9 C15H12N2
    5,7-Dihydro-6H-dibenz[c,e)azepine-6-carbonitrile
    —— 5'-O-dimethoxytrityl-S-geranyl-2-thiouridine 1627601-87-9 C40H46N2O7S
    5'-O-dimethoxytrityl-S-geranyl-2-thiouridine
    —— (5S)-2-pyrrolidone-5-carboxylic acid 3-methyl-3-butenyl ester 865183-91-1 C10H15NO3
    (5S)-2-pyrrolidone-5-carboxylic acid 3-methyl-3-butenyl ester
    —— 5-fluoro-2-(hex-1-yn-1-yl)benzaldehyde oxime 1095128-63-4 C13H14FNO
    5-fluoro-2-(hex-1-yn-1-yl)benzaldehyde oxime
    —— 5-(p-aminophenyl)-10,15,20-triphenylporphine 67605-64-5 C44H31N5
    5-(p-aminophenyl)-10,15,20-triphenylporphine
    —— 5,10,15,20-tetraphenyl-zincporphyrin(1+) 39732-73-5 C44H28N4Zn
    5,10,15,20-tetraphenyl-zincporphyrin(1+)
    —— 5-acetamido-4-O-acetyl-3,5-dideoxy-7,9-O-benzylidene-D-glycero-D-galacto-nonulopyranosic acid 1354483-44-5 C20H25NO10
    5-acetamido-4-O-acetyl-3,5-dideoxy-7,9-O-benzylidene-D-glycero-D-galacto-nonulopyranosic acid
    —— 5'-(4-chlorophenyl)-6,7-didehydro-4,5α-epoxy-3-methoxy-17-methylpyrido[2',3':6,7]morphinan 676324-42-8 C27H25ClN2O2
    5'-(4-chlorophenyl)-6,7-didehydro-4,5α-epoxy-3-methoxy-17-methylpyrido[2',3':6,7]morphinan
    —— 5-acetamido-2-O-acetyl-3,5-dideoxy-4-O-tert-butyldimethylsilyl-D-glycero-D-galacto-nonulopyranosic acid 1354483-49-0 C19H35NO10Si
    5-acetamido-2-O-acetyl-3,5-dideoxy-4-O-tert-butyldimethylsilyl-D-glycero-D-galacto-nonulopyranosic acid
    —— 5-hydroxy-5-(3-methoxyphenyl)-4-oxopentanoic acid 1206729-70-5 C12H14O5
    5-hydroxy-5-(3-methoxyphenyl)-4-oxopentanoic acid
    —— 5'-cyano-3,5'-dimethylbenzothiazole-2-spiro-4'-(1',3'-dithiane) 153124-30-2 C13H14N2S3
    5'-cyano-3,5'-dimethylbenzothiazole-2-spiro-4'-(1',3'-dithiane)
    —— (5S,5aS,9aR,1'R,2'S,3'S)-5-(1',2',3',4'-tetra-O-acetyl-butane-1',2',3',4'-tetraolyl)-1,3-dimethyl-1,5,5a,7,8,9a-hexahydro-6H-pyrano 1450726-53-0 C24H32N2O12
    (5S,5aS,9aR,1'R,2'S,3'S)-5-(1',2',3',4'-tetra-O-acetyl-butane-1',2',3',4'-tetraolyl)-1,3-dimethyl-1,5,5a,7,8,9a-hexahydro-6H-pyrano
    —— 5'-(4-chlorophenyl)-6,7-didehydro-4,5α-epoxy-3-methoxypyrido[2',3':6,7]morphinan 676324-43-9 C26H23ClN2O2
    5'-(4-chlorophenyl)-6,7-didehydro-4,5α-epoxy-3-methoxypyrido[2',3':6,7]morphinan
    —— 5-((5-(2-hydroxy-6-methoxyphenyl)-1H-pyrazol-3-yl)amino)pyrazine-2-carbonitrile 1234015-69-0 C15H12N6O2
    5-((5-(2-hydroxy-6-methoxyphenyl)-1H-pyrazol-3-yl)amino)pyrazine-2-carbonitrile
    —— 5'-O-(tert-butyldimethylsilyl)-N<sup>2</sup>-isobutyryl-2',3'-O-thionocarbonylguanosine 119794-38-6 C21H31N5O6SSi
    5'-O-(tert-butyldimethylsilyl)-N<sup>2</sup>-isobutyryl-2',3'-O-thionocarbonylguanosine
    —— 5-(4-fluorobenzyl)-9-hydroxy-4H-benzo[de][2,6]naphthyridine-4,6(5H)-dione 1589470-82-5 C18H11FN2O3
    5-(4-fluorobenzyl)-9-hydroxy-4H-benzo[de][2,6]naphthyridine-4,6(5H)-dione
    —— (5R,9R)-5,9,13-trimethyltetradecan-1-ol 87187-89-1 C17H36O
    (5R,9R)-5,9,13-trimethyltetradecan-1-ol
    —— (5R)-5-(2-methylthioethyl)-2-pyrrolidinone 151929-45-2 C7H13NOS
    (5R)-5-(2-methylthioethyl)-2-pyrrolidinone
    —— 5-nitro-furfural-((<i>Z</i>)-<i>O</i>-acetyl oxime ) 24219-46-3 C7H6N2O5
    5-nitro-furfural-((<i>Z</i>)-<i>O</i>-acetyl oxime )
    —— 5-(4-fluorophenyl)-2-(hydroxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one 1382786-02-8 C13H12FN3O2
    5-(4-fluorophenyl)-2-(hydroxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one
    —— 5-((2R,4aR,10bR)-9-ethoxy-2-hydroxy-8-methoxy-1,2,3,4,4a,10b-hexahydrophenanthridin-6-yl)-1-methyl-1H-pyridin-2-one 864740-29-4 C22H26N2O4
    5-((2R,4aR,10bR)-9-ethoxy-2-hydroxy-8-methoxy-1,2,3,4,4a,10b-hexahydrophenanthridin-6-yl)-1-methyl-1H-pyridin-2-one
    —— [5-amino-1-(2-methyl-3H-benzimidazol-5-yl)-1H-pyrazol-4-yl]-(1H-indol-2-yl)-methanone L-malate 1265231-80-8 (x)C4H6O5*C20H16N6O
    [5-amino-1-(2-methyl-3H-benzimidazol-5-yl)-1H-pyrazol-4-yl]-(1H-indol-2-yl)-methanone L-malate
    —— 5'-O-dimetoxytrityl-2-selenouridine 1384570-83-5 C30H30N2O7Se
    5'-O-dimetoxytrityl-2-selenouridine
    —— 5-(9,10-dihydro-1,8-dihydroxy-9-oxo-anthracen-10-yl)-5-oxopentylic acid 122993-76-4 C19H16O6
    5-(9,10-dihydro-1,8-dihydroxy-9-oxo-anthracen-10-yl)-5-oxopentylic acid
    —— 5-fluoro-2-(2-phenylethynyl)benzaldehyde oxime 1095128-60-1 C15H10FNO
    5-fluoro-2-(2-phenylethynyl)benzaldehyde oxime
    —— 5-Methoxy-2-methyl-5-phenylpentanenitrile 72887-11-7 C13H17NO
    5-Methoxy-2-methyl-5-phenylpentanenitrile
    —— 5-androstene-17β-propionyloxy-3-spiro-2'-(1',3'-oxathiolane) 81240-01-9 C24H36O3S
    5-androstene-17β-propionyloxy-3-spiro-2'-(1',3'-oxathiolane)
    —— [(5-cyano-2-hydroxyphenylthio)-(dimethylmethoxyphosphoranylidene)methyl]dimethylphosphine oxide 66347-53-3 C13H19NO3P2S
    [(5-cyano-2-hydroxyphenylthio)-(dimethylmethoxyphosphoranylidene)methyl]dimethylphosphine oxide
    —— 5,7-Di-tert-butyl-1-methyl-6-oxo-spiro[2.5]octa-4,7-diene-1-carbonitrile 82065-50-7 C18H25NO
    5,7-Di-tert-butyl-1-methyl-6-oxo-spiro[2.5]octa-4,7-diene-1-carbonitrile
    —— 5-ethyl-5-(5-amino-5-hydroxymethyl-2-methyl-[1,3]dioxan-2-ylmethyl)-barbituric acid 854844-74-9 C13H21N3O6
    5-ethyl-5-(5-amino-5-hydroxymethyl-2-methyl-[1,3]dioxan-2-ylmethyl)-barbituric acid
    —— 5'-S-acetyl-5'-thio-3',5'-dideoxy-2'-thymidinene 84365-05-9 C12H14N2O4S
    5'-S-acetyl-5'-thio-3',5'-dideoxy-2'-thymidinene
    —— 5β-Methylandrosta-1,3-dien-17β-ol-acetat 42363-03-1 C22H32O2
    5β-Methylandrosta-1,3-dien-17β-ol-acetat
    —— 5-Methoxy-2-methylhept-6-enenitrile 79264-76-9 C9H15NO
    5-Methoxy-2-methylhept-6-enenitrile
    —— 5'-O-dimethoxytrityl-2-N-[tris(N,N',N"-trifluoroacetyl)-4,9,13-triazatridecane-1-yl]-2'-deoxyguanosine 244639-84-7 C47H51F9N8O9
    5'-O-dimethoxytrityl-2-N-[tris(N,N',N"-trifluoroacetyl)-4,9,13-triazatridecane-1-yl]-2'-deoxyguanosine
    —— 5-[(E)-2-(4'-bromophenyl)-1-diazenyl]-2-hydroxybenzoic acid 380360-51-0 C13H9BrN2O3
    5-[(E)-2-(4'-bromophenyl)-1-diazenyl]-2-hydroxybenzoic acid
    —— 5-{3-(2-Ethoxy-ethoxy)-4-[3-(2-ethoxy-ethoxy)-4-trimethylsilanylethynyl-phenylethynyl]-phenyl}-pent-4-ynoic acid (8R,9S,10R,13S,14S,17S)-3-ethoxy-10,13-dimethyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester 220630-14-8 C53H68O7Si
    5-{3-(2-Ethoxy-ethoxy)-4-[3-(2-ethoxy-ethoxy)-4-trimethylsilanylethynyl-phenylethynyl]-phenyl}-pent-4-ynoic acid (8R,9S,10R,13S,14S,17S)-3-ethoxy-10,13-dimethyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester
    —— 5-ethyl-10-(2-hydroxylethyl)-3,7,8-trimethylisoalloxazin-5-ium perchlorate 1621087-28-2 C17H21N4O3*ClO4
    5-ethyl-10-(2-hydroxylethyl)-3,7,8-trimethylisoalloxazin-5-ium perchlorate
    —— 5-Ethyl-2,7,8-trimethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-ol 96470-51-8 C30H52O2
    5-Ethyl-2,7,8-trimethyl-2-(4,8,12-trimethyl-tridecyl)-chroman-6-ol
    —— (5R)-2-chloromethylene-5-(thymin-1-yl)-2,5-dihydrofuran 140381-04-0 C10H9ClN2O3
    (5R)-2-chloromethylene-5-(thymin-1-yl)-2,5-dihydrofuran
    —— 5-(3,4-dichlorophenyl)-2-p-tolyl-2H-1,2,3-triazole N-oxide 1431772-24-5 C15H11Cl2N3O
    5-(3,4-dichlorophenyl)-2-p-tolyl-2H-1,2,3-triazole N-oxide
    —— 5'-diphosphate of 2',5'-triadenylate 76991-64-5 C30H39N15O22P4
    5'-diphosphate of 2',5'-triadenylate
    —— 5-[4-(9-bromo-2,3-dimethyl-naphtho[2,3-b]thiophen-4-yl)-2-cyclopentyl-phenoxysulfonyl]-4-methoxy-thiophene-3-carboxylic acid methyl ester 250609-50-8 C32H29BrO6S3
    5-[4-(9-bromo-2,3-dimethyl-naphtho[2,3-b]thiophen-4-yl)-2-cyclopentyl-phenoxysulfonyl]-4-methoxy-thiophene-3-carboxylic acid methyl ester
    —— 5-quinolylhydrazine dihydrochloride 91004-60-3 C9H9N3*2ClH
    5-quinolylhydrazine dihydrochloride
    —— 5-(8-isopentyl-2-oxo-2H-chromen-7-yloxy)pentanoic acid 1335107-58-8 C19H24O5
    5-(8-isopentyl-2-oxo-2H-chromen-7-yloxy)pentanoic acid