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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Hydroxy-5-methyl-hex-3-ynoic acid dimethylamide 38267-00-4 C9H15NO2
    5-Hydroxy-5-methyl-hex-3-ynoic acid dimethylamide
    —— 5-(butoxymethyl)-1-sec-butyl-1H-pyrazole-4-sulfonyl chloride 1856097-88-5 C12H21ClN2O3S
    5-(butoxymethyl)-1-sec-butyl-1H-pyrazole-4-sulfonyl chloride
    —— 5-fluoro-6-[5-(4-fluorophenyl)-1,3-dimethyl-1H-pyrazol-4-yl]-2H-1,4-benzoxazin-3(4H)-one 1221500-66-8 C19H15F2N3O2
    5-fluoro-6-[5-(4-fluorophenyl)-1,3-dimethyl-1H-pyrazol-4-yl]-2H-1,4-benzoxazin-3(4H)-one
    —— 5-(6-chloro-5-m-tolylethynyl-1H-benzoimidazol-2-yloxy)-2-methyl-benzoic acid methyl ester 1219738-11-0 C25H19ClN2O3
    5-(6-chloro-5-m-tolylethynyl-1H-benzoimidazol-2-yloxy)-2-methyl-benzoic acid methyl ester
    —— 5-(1-Methylpyrazol-3-yl)-1,3-thiazole-4-carboxylic acid 1047676-39-0 C8H7N3O2S
    5-(1-Methylpyrazol-3-yl)-1,3-thiazole-4-carboxylic acid
    —— 5'-[(5-chloro-2-methoxyphenyl)(hydroxy)methyl]-1'-(cyclopropylmethyl)spiro[1,3-dioxane-2,3'-indol]-2'(1'H)-one 1239672-68-4 C23H24ClNO5
    5'-[(5-chloro-2-methoxyphenyl)(hydroxy)methyl]-1'-(cyclopropylmethyl)spiro[1,3-dioxane-2,3'-indol]-2'(1'H)-one
    —— 5'-(5-chloro-2-methoxybenzoyl)-1'-(cyclopropylmethyl)spiro[1,3-dioxane-2,3'-indol]-2'(1'H)-one 1239672-29-7 C23H22ClNO5
    5'-(5-chloro-2-methoxybenzoyl)-1'-(cyclopropylmethyl)spiro[1,3-dioxane-2,3'-indol]-2'(1'H)-one
    —— 5-chloro-3-methyl-1-phenyl-2,3-dihydro-2-oxo-1H-imidazole-4-carboxaldehyde 84004-22-8 C11H9ClN2O2
    5-chloro-3-methyl-1-phenyl-2,3-dihydro-2-oxo-1H-imidazole-4-carboxaldehyde
    —— 5-(3,4-Dimethoxy-phenyl)-5-ethylsulfanyl-4-nitro-pentanenitrile 64879-02-3 C15H20N2O4S
    5-(3,4-Dimethoxy-phenyl)-5-ethylsulfanyl-4-nitro-pentanenitrile
    —— 5-fluoro-N-[4-[2-(methoxymethyl)phenyl]but-3-ynyl]quinazolin-4-amine 1262028-08-9 C20H18FN3O
    5-fluoro-N-[4-[2-(methoxymethyl)phenyl]but-3-ynyl]quinazolin-4-amine
    —— 5-<Bis(phenylazo)methylen>-2,3-diphenyltetrazolin-Betain 74119-63-4 C26H20N8
    5-<Bis(phenylazo)methylen>-2,3-diphenyltetrazolin-Betain
    —— 5,5-dibutyl-3,4,4'-triiodo-3'-(4-methoxyphenyl)-5H-spiro[furan-2,1'-isochromene] 1588972-07-9 C27H29I3O3
    5,5-dibutyl-3,4,4'-triiodo-3'-(4-methoxyphenyl)-5H-spiro[furan-2,1'-isochromene]
    —— 5'-O-tert-butyldiphenylsilyl-5-fluorouridine 127978-97-6 C25H29FN2O6Si
    5'-O-tert-butyldiphenylsilyl-5-fluorouridine
    —— 5-bromo-2-(1-ethyl-1H-pyrrolo[2,3-b]pyridin-2-yl)-1-methyl-7-(trifluoromethoxy)-1H-benzo[d]imidazole 1549813-32-2 C18H14BrF3N4O
    5-bromo-2-(1-ethyl-1H-pyrrolo[2,3-b]pyridin-2-yl)-1-methyl-7-(trifluoromethoxy)-1H-benzo[d]imidazole
    —— 5-chloro-3H-pyrimido[4,5-b]indol-4(9H)-one 1450819-39-2 C10H6ClN3O
    5-chloro-3H-pyrimido[4,5-b]indol-4(9H)-one
    —— 5,5-Dimethyl-1,3-bisnaphthylcarbonylimidazolidine-2,4-dione 472967-49-0 C27H20N2O4
    5,5-Dimethyl-1,3-bisnaphthylcarbonylimidazolidine-2,4-dione
    —— 5-(2-(3-(1-acetylpiperidin-4-yl)-1,2,4-thiadiazol-5-ylamino)-5-bromopyridin-3-yloxy)-1-methylpyridin-2(1H)-one 1065604-37-6 C20H21BrN6O3S
    5-(2-(3-(1-acetylpiperidin-4-yl)-1,2,4-thiadiazol-5-ylamino)-5-bromopyridin-3-yloxy)-1-methylpyridin-2(1H)-one
    —— 5a,6,7,8,9,10-hexahydro-5H-cyclohepta<b>naphthalene 129156-32-7 C15H18
    5a,6,7,8,9,10-hexahydro-5H-cyclohepta<b>naphthalene
    —— 5-(3-iodo-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-oxadiazol-2-amine 1401348-35-3 C25H21IN4O4S
    5-(3-iodo-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-oxadiazol-2-amine
    —— 5-Oxo-1.2.3.4.5.7.8.9.10.11-decahydro-indazolo<2.3-a>chinazolin 97236-36-7 C14H17N3O
    5-Oxo-1.2.3.4.5.7.8.9.10.11-decahydro-indazolo<2.3-a>chinazolin
    —— 5-chloro-2-(4-chloro-phenoxy)-benzoic acid ethyl ester 107919-71-1 C15H12Cl2O3
    5-chloro-2-(4-chloro-phenoxy)-benzoic acid ethyl ester
    —— 5-((1S,2S)-2-(4-(5-iodo-1-methyl-1H-imidazol-4-yl)phenyl)cyclopropyl)-1,3,4-oxadiazol-2(3H)-one 1242441-61-7 C15H13IN4O2
    5-((1S,2S)-2-(4-(5-iodo-1-methyl-1H-imidazol-4-yl)phenyl)cyclopropyl)-1,3,4-oxadiazol-2(3H)-one
    —— 5-bromo-3,6-diethyl-N-(6-methoxy-2,3-dihydro-1H-inden-1-yl)pyrazin-2-amine 535935-66-1 C18H22BrN3O
    5-bromo-3,6-diethyl-N-(6-methoxy-2,3-dihydro-1H-inden-1-yl)pyrazin-2-amine
    —— 5-bromo-N-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine 1168106-47-5 C12H9BrN4
    5-bromo-N-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine
    —— 5-(3-Chloro-thiophen-2-yl)-2-phenyl-oxazole 478489-42-8 C13H8ClNOS
    5-(3-Chloro-thiophen-2-yl)-2-phenyl-oxazole
    —— 5-Chloro-2-[2-oxo-2-[3-(4-phenylpiperidin-1-yl)pyrrolidin-1-yl]ethyl]-3,4-dihydroisoquinolin-1-one 1027772-43-5 C26H30ClN3O2
    5-Chloro-2-[2-oxo-2-[3-(4-phenylpiperidin-1-yl)pyrrolidin-1-yl]ethyl]-3,4-dihydroisoquinolin-1-one
    —— 5-Oxo-5-[1-(3-sulfopropylcarbamoyloxy)ethoxy]pentanoic acid 1034191-02-0 C11H19NO9S
    5-Oxo-5-[1-(3-sulfopropylcarbamoyloxy)ethoxy]pentanoic acid
    —— 5'-O-acetyl-3-[3-(2-benzoyloxy-5-chloro-4-pyridyloxycarbonyl)benzoyl]-3'-O-(4-chlorobenzyl)-2'-deoxy-5-fluorouridine 103767-11-9 C38H28Cl2FN3O11
    5'-O-acetyl-3-[3-(2-benzoyloxy-5-chloro-4-pyridyloxycarbonyl)benzoyl]-3'-O-(4-chlorobenzyl)-2'-deoxy-5-fluorouridine
    —— 5-(2-fluoro-4-trifluoromethylbenzoyl)-6-methoxy-2-naphthalenesulfonamide 210822-39-2 C19H13F4NO4S
    5-(2-fluoro-4-trifluoromethylbenzoyl)-6-methoxy-2-naphthalenesulfonamide
    —— 5-(4-hydroxybenzoyl)-6-methoxy-2-naphthalenesulfonamide 210822-62-1 C18H15NO5S
    5-(4-hydroxybenzoyl)-6-methoxy-2-naphthalenesulfonamide
    —— 5-chloro-4-methoxy-3,3-dimethyl-2,3-dihydrobenzofuran 1597548-47-4 C11H13ClO2
    5-chloro-4-methoxy-3,3-dimethyl-2,3-dihydrobenzofuran
    —— 5-Benzyl-3-propoxyoxazolidine-2,4-dione 76440-81-8 C13H15NO4
    5-Benzyl-3-propoxyoxazolidine-2,4-dione
    —— 5-fluoro-2-(methoxymethyl)-2,3-dihydrobenzofuran-7-carbaldehyde 1352740-34-1 C11H11FO3
    5-fluoro-2-(methoxymethyl)-2,3-dihydrobenzofuran-7-carbaldehyde
    —— (5,6-dihydro benzo[b]pyrido[3,2-f]thiepin-8-yl)-acetic acid 74168-28-8 C15H13NO2S
    (5,6-dihydro benzo[b]pyrido[3,2-f]thiepin-8-yl)-acetic acid
    —— [5-(pyridin-4-ylmethylthio)-1H-[1,2,4]triazol-3-yl]-pyridin-3-yl-amine 334539-97-8 C13H12N6S
    [5-(pyridin-4-ylmethylthio)-1H-[1,2,4]triazol-3-yl]-pyridin-3-yl-amine
    —— 5-[1-(3-Fluorophenyl)sulfanylpropan-2-yl]-3-hydroxy-2-(2,4,6-trimethylphenyl)cyclohex-2-en-1-one 1415577-37-5 C24H27FO2S
    5-[1-(3-Fluorophenyl)sulfanylpropan-2-yl]-3-hydroxy-2-(2,4,6-trimethylphenyl)cyclohex-2-en-1-one
    —— 5-(p-Methoxyphenyl)-1,6,6aS<sup>IV</sup>-trithia-benzo<b>pentalen 41126-30-1 C16H12OS3
    5-(p-Methoxyphenyl)-1,6,6aS<sup>IV</sup>-trithia-benzo<b>pentalen
    —— 5'-O-Boc-3'-O-(N-Boc-L-valyl)-2'-deoxy-L-uridine 816429-68-2 C24H37N3O10
    5'-O-Boc-3'-O-(N-Boc-L-valyl)-2'-deoxy-L-uridine
    —— 5-(S)-[5-(tert-butyl-dimethyl-silanyloxy)-4-cyclopentyl-2-(1-methoxy-ethyl)-7,7-dimethyl-5,6,7,8-tetrahydro-quinolin-3-yl]-(4-trifluoromethyl-phenyl)-methanol 1186525-52-9 C33H48F3NO3Si
    5-(S)-[5-(tert-butyl-dimethyl-silanyloxy)-4-cyclopentyl-2-(1-methoxy-ethyl)-7,7-dimethyl-5,6,7,8-tetrahydro-quinolin-3-yl]-(4-trifluoromethyl-phenyl)-methanol
    —— 5-n-Butyl-2-(4-n-hexyloxyphenyl)-pyrimidin 57202-13-8 C20H28N2O
    5-n-Butyl-2-(4-n-hexyloxyphenyl)-pyrimidin
    —— 5-methyl-1-phenyl-2-(triisopropylsiloxy)-2,4-hexadiene 1567359-87-8 C22H36OSi
    5-methyl-1-phenyl-2-(triisopropylsiloxy)-2,4-hexadiene
    —— 5-(4-methylpiperazin-1-carbonyl)indan-1-one 866849-35-6 C15H18N2O2
    5-(4-methylpiperazin-1-carbonyl)indan-1-one
    —— 5-t.Butylfurfurylchlorid 790713-42-7 C9H13ClO
    5-t.Butylfurfurylchlorid
    —— 5-(Ethylsulfanyl-phenylamino-methylene)-2,2-dimethyl-[1,3]dioxane-4,6-dione 133567-50-7 C15H17NO4S
    5-(Ethylsulfanyl-phenylamino-methylene)-2,2-dimethyl-[1,3]dioxane-4,6-dione
    —— 5-(2-Carboxymethyl-1-aziridinyl)-2-(4-methylphenyl)-4-trifluormethylthiazol 133390-13-3 C15H13F3N2O2S
    5-(2-Carboxymethyl-1-aziridinyl)-2-(4-methylphenyl)-4-trifluormethylthiazol
    —— 5-Phenyl-2,3,4a,5,14a,14b-hexahydro-7-oxa-2,3-diaza-dibenzo[a,h]anthracene-1,4,14-trione 135978-76-6 C25H18N2O4
    5-Phenyl-2,3,4a,5,14a,14b-hexahydro-7-oxa-2,3-diaza-dibenzo[a,h]anthracene-1,4,14-trione
    —— 5-[1-(t-butoxycarbonyl)piperidin-4-yloxy]-2-(7-cyanonaphthalen-2-yl)-1-(ethanesulfonyl)indoline 319450-68-5 C31H35N3O5S
    5-[1-(t-butoxycarbonyl)piperidin-4-yloxy]-2-(7-cyanonaphthalen-2-yl)-1-(ethanesulfonyl)indoline
    —— 5-[2-Oxo-prop-(Z)-ylidene]-4-[(E)-2-(2,6,6-trimethyl-cyclohex-1-enyl)-vinyl]-5H-furan-2-one 83323-68-6 C18H22O3
    5-[2-Oxo-prop-(Z)-ylidene]-4-[(E)-2-(2,6,6-trimethyl-cyclohex-1-enyl)-vinyl]-5H-furan-2-one
    —— 5-chloro-Δ<sup>6</sup>-PGI<sub>1</sub> diacetate methyl ester 84202-96-0 C25H37ClO7
    5-chloro-Δ<sup>6</sup>-PGI<sub>1</sub> diacetate methyl ester
    —— 5-butoxy-3-methyl-valeric acid ethyl ester 100386-23-0 C12H24O3
    5-butoxy-3-methyl-valeric acid ethyl ester