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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(4,5-dihydroxy-2-methylphenyl)-2,2,5-trimethyl-1,3-dioxane-4,6-dione 1026685-69-7 C14H16O6
    5-(4,5-dihydroxy-2-methylphenyl)-2,2,5-trimethyl-1,3-dioxane-4,6-dione
    —— 5-O-benzoyl-1,6:3,4-bis[O-(2,3-dimethoxybutane-2,3-diyl)]-scyllo-inositol 1070790-01-0 C25H36O11
    5-O-benzoyl-1,6:3,4-bis[O-(2,3-dimethoxybutane-2,3-diyl)]-scyllo-inositol
    —— (5R,6S,7R,8S)-8-((2R,4aR,6R,7R,8R,8aS)-7,8-Dihydroxy-2-methyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-5-(4-hydroxy-3,5-dimethoxy-phenyl)-7-hydroxymethyl-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid 89269-95-4 C29H34O14
    (5R,6S,7R,8S)-8-((2R,4aR,6R,7R,8R,8aS)-7,8-Dihydroxy-2-methyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-5-(4-hydroxy-3,5-dimethoxy-phenyl)-7-hydroxymethyl-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid
    —— {5-[5-(2-Nitro-phenyl)-furan-2-yl]-tetrazol-1-yl}-acetyl chloride 97712-78-2 C13H8ClN5O4
    {5-[5-(2-Nitro-phenyl)-furan-2-yl]-tetrazol-1-yl}-acetyl chloride
    —— 5-ethyl-6,8-dimethyl-2,3-diphenylcyclopenta[b]carbazol-1(5H)-one 1379746-21-0 C31H25NO
    5-ethyl-6,8-dimethyl-2,3-diphenylcyclopenta[b]carbazol-1(5H)-one
    —— (5S,6R)-6-methoxy-5-methyl-6-(naphthalene-1-yl)hex-3-yn-1-yl sulfamate 1512858-22-8 C18H21NO4S
    (5S,6R)-6-methoxy-5-methyl-6-(naphthalene-1-yl)hex-3-yn-1-yl sulfamate
    —— 5-cyano-5-cyclohexylmethyl-hexahydro-cyclopenta[c]pyrrole-2-carboxylic acid dimethylamide 1175536-18-1 C18H29N3O
    5-cyano-5-cyclohexylmethyl-hexahydro-cyclopenta[c]pyrrole-2-carboxylic acid dimethylamide
    —— (5E,9E,13E)-14-Ethynyl-2-methyl-5,6,9,10,13-pentapropyl-heptadeca-5,9,13-triene-3,7,11-triyn-2-ol 709043-08-3 C35H50O
    (5E,9E,13E)-14-Ethynyl-2-methyl-5,6,9,10,13-pentapropyl-heptadeca-5,9,13-triene-3,7,11-triyn-2-ol
    —— 5-Ethyl-1-[2-(1H-indol-3-yl)-ethyl]-1H-pyridin-2-one 82120-32-9 C17H18N2O
    5-Ethyl-1-[2-(1H-indol-3-yl)-ethyl]-1H-pyridin-2-one
    —— 5,9,13,17-tetratosyl-N<sup>1</sup>,N<sup>21</sup>-diformyl-5,9,13,17-tetraazaheneicosane-1,21-diamine 121821-20-3 C47H66N6O10S4
    5,9,13,17-tetratosyl-N<sup>1</sup>,N<sup>21</sup>-diformyl-5,9,13,17-tetraazaheneicosane-1,21-diamine
    —— 5-[4-(trifluoromethyl)-5-[2-[[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-prop-2-enoxyoxane-2-carbonyl]amino]ethylcarbamoyl]triazol-1-yl]pentanoic acid 1386447-18-2 C20H28F3N5O9
    5-[4-(trifluoromethyl)-5-[2-[[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-prop-2-enoxyoxane-2-carbonyl]amino]ethylcarbamoyl]triazol-1-yl]pentanoic acid
    —— (5aR,8aS)-4,5,5a,8a-Tetrahydro-thieno[2',3':3,4]benzo[1,2-c]furan-6,8-dione 110449-89-3 C10H8O3S
    (5aR,8aS)-4,5,5a,8a-Tetrahydro-thieno[2',3':3,4]benzo[1,2-c]furan-6,8-dione
    —— 5-chloro-2-(2,4,6-trimethoxyphenyl)benzo[h][1,6]naphthyridine 1339335-85-1 C21H17ClN2O3
    5-chloro-2-(2,4,6-trimethoxyphenyl)benzo[h][1,6]naphthyridine
    —— 5-Bromo-4-methoxy-3-(4-methoxy-phenyl)-5H-furan-2-one 100074-75-7 C12H11BrO4
    5-Bromo-4-methoxy-3-(4-methoxy-phenyl)-5H-furan-2-one
    —— 5'-O-(4,4'-dimethoxytrityl)-2'-O-(2-methoxy-2-oxoethyl)-5-methyluridine 304442-33-9 C34H36N2O10
    5'-O-(4,4'-dimethoxytrityl)-2'-O-(2-methoxy-2-oxoethyl)-5-methyluridine
    —— 5-(p-bromophenyl)-10-tolyl-16-thia-15,17-dihydrotripyrrane 1356340-30-1 C27H23BrN2S
    5-(p-bromophenyl)-10-tolyl-16-thia-15,17-dihydrotripyrrane
    —— 5-Hydroxy-7,8-dihydro-isoquinoline-6-carboxylic acid methyl ester 197507-39-4 C11H11NO3
    5-Hydroxy-7,8-dihydro-isoquinoline-6-carboxylic acid methyl ester
    —— 5-ferrocenyldipyrromethane 211801-90-0 C19H18FeN2
    5-ferrocenyldipyrromethane
    —— 5-methyl-1-(4-methylphenyl)sulfonyl-6-phenyl-2H-pyridine 1440057-93-1 C19H19NO2S
    5-methyl-1-(4-methylphenyl)sulfonyl-6-phenyl-2H-pyridine
    —— 5-methyl-2-oxo-1-<i>m</i>-tolyl-2,3-dihydro-1<i>H</i>-imidazole-4-carboxylic acid 13870-65-0 C12H12N2O3
    5-methyl-2-oxo-1-<i>m</i>-tolyl-2,3-dihydro-1<i>H</i>-imidazole-4-carboxylic acid
    —— 5-(3-hydroxyphenyl)-4-(3-nitrophenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione 1426945-62-1 C14H10N4O3S
    5-(3-hydroxyphenyl)-4-(3-nitrophenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione
    —— 5-[(3aS,5R,6R,6aS)-6-[(E)-(R)-7-(3-Azido-phenyl)-3-hydroxy-hept-1-enyl]-5-(tert-butyl-dimethyl-silanyloxy)-1,3a,4,5,6,6a-hexahydro-pentalen-2-yl]-pentanoic acid methyl ester 141887-99-2 C33H51N3O4Si
    5-[(3aS,5R,6R,6aS)-6-[(E)-(R)-7-(3-Azido-phenyl)-3-hydroxy-hept-1-enyl]-5-(tert-butyl-dimethyl-silanyloxy)-1,3a,4,5,6,6a-hexahydro-pentalen-2-yl]-pentanoic acid methyl ester
    —— 5'-O-dimethoxytrityl-2'-O-tetrahydrofuranylinosine 126647-50-5 C35H36N4O8
    5'-O-dimethoxytrityl-2'-O-tetrahydrofuranylinosine
    —— 5-Chloro-8-(4-chloro-6-furan-2-yl-[1,3,5]triazin-2-yloxy)-quinoline 13460-09-8 C16H8Cl2N4O2
    5-Chloro-8-(4-chloro-6-furan-2-yl-[1,3,5]triazin-2-yloxy)-quinoline
    —— 5-(phenylsulfonyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5H-pyrrolo[3,2-b]pyrazine 1350994-87-4 C18H20BN3O4S
    5-(phenylsulfonyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5H-pyrrolo[3,2-b]pyrazine
    —— 5,10,15,20-tetra-(4-octyloxyphenyl)porphyrin 94827-58-4 C76H94N4O4
    5,10,15,20-tetra-(4-octyloxyphenyl)porphyrin
    —— 5-[(3aS,5R,6R,6aS)-5-(tert-Butyl-dimethyl-silanyloxy)-6-formyl-1,3a,4,5,6,6a-hexahydro-pentalen-2-yl]-pentanoic acid methyl ester 91078-25-0 C21H36O4Si
    5-[(3aS,5R,6R,6aS)-5-(tert-Butyl-dimethyl-silanyloxy)-6-formyl-1,3a,4,5,6,6a-hexahydro-pentalen-2-yl]-pentanoic acid methyl ester
    —— 5-Benzofuranacetic acid, I+/--[[(1,1-dimethylethoxy)carbonyl]amino]-2,3-dihydro-, (R)- 71962-77-1 C15H19NO5
    5-Benzofuranacetic acid, I+/--[[(1,1-dimethylethoxy)carbonyl]amino]-2,3-dihydro-, (R)-
    —— 5,7,9-trimethyl-3-methylsulfanyl-5<i>H</i>-[1,2,4]triazino[5,6-<i>b</i>]indole 35162-43-7 C13H14N4S
    5,7,9-trimethyl-3-methylsulfanyl-5<i>H</i>-[1,2,4]triazino[5,6-<i>b</i>]indole
    —— 5-(2-Benzyl-4,5-dimethoxy-benzyl)-2,4-dichloro-pyrimidine 6981-23-3 C20H18Cl2N2O2
    5-(2-Benzyl-4,5-dimethoxy-benzyl)-2,4-dichloro-pyrimidine
    —— 5-Isoxazoleethanol, α-(4-hydroxy-3,5-dimethoxy phenyl)-3-methyl- 113465-90-0 C14H17NO5
    5-Isoxazoleethanol, α-(4-hydroxy-3,5-dimethoxy phenyl)-3-methyl-
    —— 5-Chlor-7-benzoyl-8-hydroxychinolin 92866-22-3 C16H10ClNO2
    5-Chlor-7-benzoyl-8-hydroxychinolin
    —— 5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(4-O-acetyl-α-L-rhamnopyranosyloxy)-4H-chromen-4-one 916069-06-2 C44H40O11
    5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(4-O-acetyl-α-L-rhamnopyranosyloxy)-4H-chromen-4-one
    —— [5-(5-Phenyl-furan-2-yl)-tetrazol-1-yl]-acetyl chloride 97712-76-0 C13H9ClN4O2
    [5-(5-Phenyl-furan-2-yl)-tetrazol-1-yl]-acetyl chloride
    —— 5-Chloro-2-(3-chlorophenylthio)acetophenone 107165-40-2 C14H10Cl2OS
    5-Chloro-2-(3-chlorophenylthio)acetophenone
    —— 5-[Benzoyl-(2-[1,3]dioxolan-2-yl-ethyl)-amino]-furan-2-carboxylic acid methyl ester 208335-75-5 C18H19NO6
    5-[Benzoyl-(2-[1,3]dioxolan-2-yl-ethyl)-amino]-furan-2-carboxylic acid methyl ester
    —— 5,8-dimethyl-9,10-dioxo-9,10-dihydro-anthracene-1,4-dicarbonitrile 859944-83-5 C18H10N2O2
    5,8-dimethyl-9,10-dioxo-9,10-dihydro-anthracene-1,4-dicarbonitrile
    —— 5,5,8aβ-trimethyl-2-(3-oxo-2-phenylthiobutyl)-4aα-perhydronaphthalen-1-one 91292-08-9 C23H32O2S
    5,5,8aβ-trimethyl-2-(3-oxo-2-phenylthiobutyl)-4aα-perhydronaphthalen-1-one
    —— (5S)-6-hydroxymethylene-5-isopropenyl-2-methyl-2-cyclohexenone 272767-10-9 C11H14O2
    (5S)-6-hydroxymethylene-5-isopropenyl-2-methyl-2-cyclohexenone
    —— 5-Pentyl-O,O'-bis(4,6-dichlor-1,3,5-triazin-2-yl)-resorcin 205182-16-7 C17H14Cl4N6O2
    5-Pentyl-O,O'-bis(4,6-dichlor-1,3,5-triazin-2-yl)-resorcin
    —— 5-chloromethyl-3-naphthalen-2-yl-[1,2,4]oxadiazole 1273793-32-0 C13H9ClN2O
    5-chloromethyl-3-naphthalen-2-yl-[1,2,4]oxadiazole
    —— 5-(3-ethoxycarbonylamino-4-fluoro-phenyl)-pentanoic acid methyl ester 741721-45-9 C15H20FNO4
    5-(3-ethoxycarbonylamino-4-fluoro-phenyl)-pentanoic acid methyl ester
    —— 5-<1-(3-methylthioureido)>-1-(β-D-ribofuranosyl)imidazole-4-carboxamide 103408-40-8 C11H17N5O5S
    5-<1-(3-methylthioureido)>-1-(β-D-ribofuranosyl)imidazole-4-carboxamide
    —— 5-[[4-(3-methylbenzoyloxy)phenyl]methyl]-2-thioxo-4-imidazolidinone 1176818-51-1 C18H16N2O3S
    5-[[4-(3-methylbenzoyloxy)phenyl]methyl]-2-thioxo-4-imidazolidinone
    —— 5-(3,4,5-trimethoxy-benzyl)-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline 61349-12-0 C20H21NO5
    5-(3,4,5-trimethoxy-benzyl)-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline
    —— 5-Hydroxy-6-thiophen-2-yl-pyrazine-2,3-dicarbonitrile 77484-02-7 C10H4N4OS
    5-Hydroxy-6-thiophen-2-yl-pyrazine-2,3-dicarbonitrile
    —— 5-fluoro-8-methyl-1,2,3,4-tetrahydro-carbazole 570-00-3 C13H14FN
    5-fluoro-8-methyl-1,2,3,4-tetrahydro-carbazole
    —— 5-(5-chloro-2-methyl-phenyl)-6-(4-chloro-phenyl)-1-cyclopropyl-2-(2,4-dimethoxy-pyrimidin-5-yl)-5,6-dihydro-1H-pyrrolo[3,4-d]imidazol-4-one 1448868-21-0 C27H23Cl2N5O3
    5-(5-chloro-2-methyl-phenyl)-6-(4-chloro-phenyl)-1-cyclopropyl-2-(2,4-dimethoxy-pyrimidin-5-yl)-5,6-dihydro-1H-pyrrolo[3,4-d]imidazol-4-one
    —— 5-(4-aminophenyl)-2-ethyl-4,4-dimethyl-2,4-dihydro-pyrazol-3-one 192643-92-8 C13H17N3O
    5-(4-aminophenyl)-2-ethyl-4,4-dimethyl-2,4-dihydro-pyrazol-3-one
    —— 5-bromo-1'-(1-methylpiperidin-4-yl)-3H-spiro[benzofuran-2,4'-piperidine] 1258429-95-6 C18H25BrN2O
    5-bromo-1'-(1-methylpiperidin-4-yl)-3H-spiro[benzofuran-2,4'-piperidine]