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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-acetyl-2,4-dihydroxy-α-chloroacetanilide 5559-30-8 C10H10ClNO4
    5-acetyl-2,4-dihydroxy-α-chloroacetanilide
    —— (-)-5,6-didehydroboschnialactone 131726-12-0 C9H12O2
    (-)-5,6-didehydroboschnialactone
    —— (5S,6R,10S)-6-(3,3-dibromoallyl)-10-(4-fluorophenyl)-2-phenyl-3-oxa-1-azaspiro[4.5]deca-1,7-dien-4-one 1334144-79-4 C23H18Br2FNO2
    (5S,6R,10S)-6-(3,3-dibromoallyl)-10-(4-fluorophenyl)-2-phenyl-3-oxa-1-azaspiro[4.5]deca-1,7-dien-4-one
    —— 5-Dipropylaminoheptan-1-ol 38067-73-1 C13H29NO
    5-Dipropylaminoheptan-1-ol
    —— 5-pyridin-3-yl-4-<i>o</i>-tolyl-2,4-dihydro-[1,2,4]triazol-3-one 33633-81-7 C14H12N4O
    5-pyridin-3-yl-4-<i>o</i>-tolyl-2,4-dihydro-[1,2,4]triazol-3-one
    —— 5-chloro-2-(([2-(cyclododecylamino)-2-oxoethoxy]acetyl)amino)benzoic acid·methyl ester 1190221-95-4 C24H35ClN2O5
    5-chloro-2-(([2-(cyclododecylamino)-2-oxoethoxy]acetyl)amino)benzoic acid·methyl ester
    —— 5-(2-hydroxy-5-isopropyl-4-methoxyphenyl)-N-methyl-4-(4-(morpholinomethyl)-phenyl)-4H-1,2,4-triazole-3-carboxamide 1207597-62-3 C25H31N5O4
    5-(2-hydroxy-5-isopropyl-4-methoxyphenyl)-N-methyl-4-(4-(morpholinomethyl)-phenyl)-4H-1,2,4-triazole-3-carboxamide
    —— 5-bromo-2-iodopyrimidin-4-amine 1337566-92-3 C4H3BrIN3
    5-bromo-2-iodopyrimidin-4-amine
    —— 5-Nitro-8-brom-naphthalin-1,4-dicarbonsaeure 63614-05-1 C12H6BrNO6
    5-Nitro-8-brom-naphthalin-1,4-dicarbonsaeure
    —— 5-methylpyridine-2-aldehyde 2'-pyridylhydrazone 120356-44-7 C12H12N4
    5-methylpyridine-2-aldehyde 2'-pyridylhydrazone
    —— 5-(3-acetylphenyl)-1,2-dimethylimidazole 1201005-63-1 C13H14N2O
    5-(3-acetylphenyl)-1,2-dimethylimidazole
    —— 5-dimethylcarbamoyl-5,6-dihydro-4H-[1,4]thiazine-2-carboxylic acid methyl ester 20216-28-8 C9H14N2O3S
    5-dimethylcarbamoyl-5,6-dihydro-4H-[1,4]thiazine-2-carboxylic acid methyl ester
    —— 5,5-bis-(4-methoxy-phenyl)-4,5-dihydro-1H-pyrazole-3,4-dicarboxylic acid anhydride 94258-89-6 C19H16N2O5
    5,5-bis-(4-methoxy-phenyl)-4,5-dihydro-1H-pyrazole-3,4-dicarboxylic acid anhydride
    —— 5-cyclopropyl-6-cyclopropylmethoxy-pyrazine-2-carboxylic acid (cyclopropyl)[(5-methyl-[1,2,4]oxadiazol-3-yl)methyl]amide 1432507-40-8 C19H23N5O3
    5-cyclopropyl-6-cyclopropylmethoxy-pyrazine-2-carboxylic acid (cyclopropyl)[(5-methyl-[1,2,4]oxadiazol-3-yl)methyl]amide
    —— 5-Ethyl-5-(4-pyridinyl)-2-(3-methoxy-2-phenylquinolin-4-yl)-imidazoline 298689-17-5 C26H24N4O
    5-Ethyl-5-(4-pyridinyl)-2-(3-methoxy-2-phenylquinolin-4-yl)-imidazoline
    —— 5-tert-butyl-3-(2-methylsulfanylethyl)-1H-pyrazole;palladium(2+);dichloride 537708-97-7 C10H18Cl2N2PdS
    5-tert-butyl-3-(2-methylsulfanylethyl)-1H-pyrazole;palladium(2+);dichloride
    —— 5-Allyl-3-(2,4-dichloro-5-prop-2-ynyloxy-phenyl)-3H-[1,3,4]oxadiazol-2-one 39807-24-4 C14H10Cl2N2O3
    5-Allyl-3-(2,4-dichloro-5-prop-2-ynyloxy-phenyl)-3H-[1,3,4]oxadiazol-2-one
    —— 5-methyl-6,7,9,10-tetrahydro-azepino[4,5-<i>b</i>][1,7]naphthyridine-8-carboxylic acid ethyl ester 65327-78-8 C16H19N3O2
    5-methyl-6,7,9,10-tetrahydro-azepino[4,5-<i>b</i>][1,7]naphthyridine-8-carboxylic acid ethyl ester
    —— 5-bromo-2,3-dihydro-3-spiro-1'-cyclohexyl-1H-indole 645416-98-4 C13H16BrN
    5-bromo-2,3-dihydro-3-spiro-1'-cyclohexyl-1H-indole
    —— 5'-O-(dimethoxytrityl)-2'-deoxy-2'-α-methyl-N<sup>4</sup>-benzoylcytidine 160054-76-2 C38H37N3O7
    5'-O-(dimethoxytrityl)-2'-deoxy-2'-α-methyl-N<sup>4</sup>-benzoylcytidine
    —— 5-(4-chloro-phenyl)-2-{4-[2-(4,4-dimethyl-piperidin-1-yl)-ethoxy]-3-isopropenyl-phenylethynyl}-pyridine 866928-95-2 C31H33ClN2O
    5-(4-chloro-phenyl)-2-{4-[2-(4,4-dimethyl-piperidin-1-yl)-ethoxy]-3-isopropenyl-phenylethynyl}-pyridine
    —— 5-oxo-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-4-ylcarbamic acid tert-butyl ester 887945-49-5 C20H21NO3
    5-oxo-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-4-ylcarbamic acid tert-butyl ester
    —— 5-[3-(1,1-Dimethyl-2-phenyl-ethylamino)-2-hydroxy-propoxy]-8-hydroxy-3,4-dihydro-1H-quinolin-2-one; compound with oxalic acid 80090-22-8 C2H2O4*C22H28N2O4
    5-[3-(1,1-Dimethyl-2-phenyl-ethylamino)-2-hydroxy-propoxy]-8-hydroxy-3,4-dihydro-1H-quinolin-2-one; compound with oxalic acid
    —— 5-methoxy-1-(pent-2-en-3-yl)-1H-indole 1449676-37-2 C14H17NO
    5-methoxy-1-(pent-2-en-3-yl)-1H-indole
    —— 5-Dimethylaminomethylene-1,5,6,7-tetrahydro-(1-methyl)-4H-indazol-4-one 225782-21-8 C11H15N3O
    5-Dimethylaminomethylene-1,5,6,7-tetrahydro-(1-methyl)-4H-indazol-4-one
    —— 5-methoxy-1-(2,4,5-trimethoxybenzyl)-2-(2,4,5-trimethoxyphenyl)-1H-benzo[d]imidazole 1432753-38-2 C27H30N2O7
    5-methoxy-1-(2,4,5-trimethoxybenzyl)-2-(2,4,5-trimethoxyphenyl)-1H-benzo[d]imidazole
    —— (5,6-ethylenedioxy-2-methylindenyl)(9-η<sup>5</sup>-fluorenyl)dimethylsilane 460722-17-2 C27H26O2Si
    (5,6-ethylenedioxy-2-methylindenyl)(9-η<sup>5</sup>-fluorenyl)dimethylsilane
    —— 5-(4-bromophenyl)-1-(2-methoxyethyl)-1,2,3,6-tetrahydropyridine 1088410-83-6 C14H18BrNO
    5-(4-bromophenyl)-1-(2-methoxyethyl)-1,2,3,6-tetrahydropyridine
    —— 5-Brom-2-ureido-tropon 21440-58-4 C8H7BrN2O2
    5-Brom-2-ureido-tropon
    —— 5α-cholestan-7β-ylamine 19586-45-9 C27H49N
    5α-cholestan-7β-ylamine
    —— 5-Hydroxy-3-(phenyl-hydrazono)-2-propyl-cyclopent-1-enecarbonitrile 34250-24-3 C15H17N3O
    5-Hydroxy-3-(phenyl-hydrazono)-2-propyl-cyclopent-1-enecarbonitrile
    —— 5-oxo-3-pyridin-4-yl-pyrrolidine-2-carboxylic acid 60415-10-3 C10H10N2O3
    5-oxo-3-pyridin-4-yl-pyrrolidine-2-carboxylic acid
    —— 5-Bromo-N-butyl-2-cyclohexylideneamino-benzamide 34811-06-8 C17H23BrN2O
    5-Bromo-N-butyl-2-cyclohexylideneamino-benzamide
    —— 5,5'-Bis-<1,2,3,4,7,7-hexafluor-bicyclo<2.2.1>hepten-2-yl> 1660-07-7 C14H6F12
    5,5'-Bis-<1,2,3,4,7,7-hexafluor-bicyclo<2.2.1>hepten-2-yl>
    —— (5R,6S)-3-Ethylsulfanyl-6-((S)-1-hydroxy-ethyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 78358-49-3 C18H20N2O6S
    (5R,6S)-3-Ethylsulfanyl-6-((S)-1-hydroxy-ethyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
    —— 5-(N-tert-butyl-N-hydroxyamino)-2-methoxy-1,3-phenylenebis(N-tert-butyl-N-(tert-butyldimethylsilyloxy)amine) 151799-71-2 C31H63N3O4Si2
    5-(N-tert-butyl-N-hydroxyamino)-2-methoxy-1,3-phenylenebis(N-tert-butyl-N-(tert-butyldimethylsilyloxy)amine)
    —— 5-Nitro-2-[4-(thiophen-3-ylmethoxy)-phenoxy]-pyridine 639091-65-9 C16H12N2O4S
    5-Nitro-2-[4-(thiophen-3-ylmethoxy)-phenoxy]-pyridine
    —— 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[2-(fluoroethyl)thio]-1H-pyrazole-3-carbonitrile 209966-80-3 C13H8Cl2F4N4S
    5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[2-(fluoroethyl)thio]-1H-pyrazole-3-carbonitrile
    —— 5-bromo-2-(9-ethyl-9H-carbazol-3-ylamino)benzoic acid 1185288-10-1 C21H17BrN2O2
    5-bromo-2-(9-ethyl-9H-carbazol-3-ylamino)benzoic acid
    —— 5-[C-(4-fluorophenyl)-N-[2-(5-phenylmethoxy-1H-indol-3-yl)ethyl]carbonimidoyl]-1,3-diphenyl-1,3-diazinane-2,4,6-trione 6119-07-9 C40H31FN4O4
    5-[C-(4-fluorophenyl)-N-[2-(5-phenylmethoxy-1H-indol-3-yl)ethyl]carbonimidoyl]-1,3-diphenyl-1,3-diazinane-2,4,6-trione
    —— 5,5-dimethenyl-2,2-dimethyl-1,3-dioxane bis(thiocyanate) 1293392-03-6 C10H14N2O2S2
    5,5-dimethenyl-2,2-dimethyl-1,3-dioxane bis(thiocyanate)
    —— 5-[(3aR,5S,6aR)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-5-(tetrahydro-pyran-2-yloxy)-1,3a,4,5,6,6a-hexahydro-pentalen-2-yl]-pent-4-ynoic acid 104329-80-8 C25H40O5Si
    5-[(3aR,5S,6aR)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-5-(tetrahydro-pyran-2-yloxy)-1,3a,4,5,6,6a-hexahydro-pentalen-2-yl]-pent-4-ynoic acid
    —— 5-[(2-hydroxy-benzylidenehydrazino)-acetyl]-2-phenyl-5<i>H</i>-oxazolo[4,5-<i>b</i>]phenoxazine 62878-51-7 C28H20N4O4
    5-[(2-hydroxy-benzylidenehydrazino)-acetyl]-2-phenyl-5<i>H</i>-oxazolo[4,5-<i>b</i>]phenoxazine
    —— 5-(piperidinomethyl)-1-(tert-butoxycarbonyl)indole 913388-28-0 C19H26N2O2
    5-(piperidinomethyl)-1-(tert-butoxycarbonyl)indole
    —— 5-allyl-6-hydroxy-7-methoxy-2-methyl-3-phenyl-3<i>H</i>-quinazolin-4-one 31839-28-8 C19H18N2O3
    5-allyl-6-hydroxy-7-methoxy-2-methyl-3-phenyl-3<i>H</i>-quinazolin-4-one
    —— (5-(1-biphenyl-4-ylmethyl-6-chloro-5-iodo-1H-benzimidazol-2-yloxy)-2-methylphenyl)phosphonic acid diethyl ester 1224445-73-1 C31H29ClIN2O4P
    (5-(1-biphenyl-4-ylmethyl-6-chloro-5-iodo-1H-benzimidazol-2-yloxy)-2-methylphenyl)phosphonic acid diethyl ester
    —— 5-Chloro-1,1-dioxo-4-propyl-1,4-dihydro-1λ<sup>6</sup>-[1,2,4,6]thiatriazin-3-ylamine 97130-04-6 C5H9ClN4O2S
    5-Chloro-1,1-dioxo-4-propyl-1,4-dihydro-1λ<sup>6</sup>-[1,2,4,6]thiatriazin-3-ylamine
    —— 5'-BPTr-dA 33531-92-9 C37H32BrN5O5
    5'-BPTr-dA
    —— 5-Cyano-5-acetonyl-10,11-dihydrodibenzo<a,d>cyclohepten 31125-27-6 C19H17NO
    5-Cyano-5-acetonyl-10,11-dihydrodibenzo<a,d>cyclohepten
    —— 5,5'-bis(4-chlorobenzyl)-3,3'-dimethyl-2,2'-binaphthyl-1,1',6,6',7,7'-hexaol 1256724-23-8 C36H28Cl2O6
    5,5'-bis(4-chlorobenzyl)-3,3'-dimethyl-2,2'-binaphthyl-1,1',6,6',7,7'-hexaol