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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(o-tolyl)pent-4-yn-1-yl 4-methylbenzenesulfonate 1361200-33-0 C19H20O3S
    5-(o-tolyl)pent-4-yn-1-yl 4-methylbenzenesulfonate
    —— 5-[2-(Benzyl-isopropyl-amino)-acetyl]-2-hydroxy-benzoic acid methyl ester; hydrochloride 24076-03-7 C20H23NO4*ClH
    5-[2-(Benzyl-isopropyl-amino)-acetyl]-2-hydroxy-benzoic acid methyl ester; hydrochloride
    —— (5-Oxo-isoxazolidin-4-yl)-carbamic acid tert-butyl ester 82551-46-0 C8H14N2O4
    (5-Oxo-isoxazolidin-4-yl)-carbamic acid tert-butyl ester
    —— 5-(α-benzoyl)benzyl-3-benzyloxymethyluridine 1394855-55-0 C31H30N2O8
    5-(α-benzoyl)benzyl-3-benzyloxymethyluridine
    —— 5,13-di-tert-butyl-8,16-dimethyl[2,2]metacyclophan-1-ene 81688-16-6 C26H34
    5,13-di-tert-butyl-8,16-dimethyl[2,2]metacyclophan-1-ene
    —— (5-dodecyloxy-naphthalene-1-yloxy)-acetic acid 545390-71-4 C24H34O4
    (5-dodecyloxy-naphthalene-1-yloxy)-acetic acid
    —— 5-Cyclohexylidenhydrazono-3,3-pentamethylen-1,2,4-thiadiazolidin 117840-44-5 C13H22N4S
    5-Cyclohexylidenhydrazono-3,3-pentamethylen-1,2,4-thiadiazolidin
    —— 5-{(3aS,4S,6aR)-1-[Bis-(4-methoxy-phenyl)-phenyl-methyl]-2-oxo-hexahydro-thieno[3,4-d]imidazol-4-yl}-pentanoic acid {2-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-1-[6-(tert-butyl-dimethyl-silanyloxy)-hexylcarbamoyl]-ethyl}-amide 244214-17-3 C67H84N4O9SSi
    5-{(3aS,4S,6aR)-1-[Bis-(4-methoxy-phenyl)-phenyl-methyl]-2-oxo-hexahydro-thieno[3,4-d]imidazol-4-yl}-pentanoic acid {2-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-1-[6-(tert-butyl-dimethyl-silanyloxy)-hexylcarbamoyl]-ethyl}-amide
    —— 5'-Fluoro-1-(4-(2-thiazolyl)benzoyl)spiro[piperidine-4,2'(1'H)-quinazoline]-4'-amine hydrochloride 190009-99-5 C22H20FN5OS*ClH
    5'-Fluoro-1-(4-(2-thiazolyl)benzoyl)spiro[piperidine-4,2'(1'H)-quinazoline]-4'-amine hydrochloride
    —— 5,5'-bis(trimethylstannyl)-3,3'-dimethyl-2,2'-bithiophene 1375101-08-8 C16H26S2Sn2
    5,5'-bis(trimethylstannyl)-3,3'-dimethyl-2,2'-bithiophene
    —— 5-dimethylaminomethyl-spiro[2.5]octan-6-one 1392196-80-3 C11H19NO
    5-dimethylaminomethyl-spiro[2.5]octan-6-one
    —— 5-Methyl-thiophene-2-carbothioic acid (4-bromo-phenyl)-amide 144381-02-2 C12H10BrNS2
    5-Methyl-thiophene-2-carbothioic acid (4-bromo-phenyl)-amide
    —— (5Z,9Z,12Z)-1-Bromo-octadeca-5,9,12-triene 181213-45-6 C18H31Br
    (5Z,9Z,12Z)-1-Bromo-octadeca-5,9,12-triene
    —— 5'-O-(4,4'-dimethoxytrityl)-4'-C-(4,4'-dimethoxytrityloxymethyl)thymidine 172360-64-4 C53H52N2O10
    5'-O-(4,4'-dimethoxytrityl)-4'-C-(4,4'-dimethoxytrityloxymethyl)thymidine
    —— 5-(4-thiophen-3-ylphenyl)-6-oxa-4-azaspiro[2.4]hept-4-ene-7-carboxylic acid N-methyl-(3-trifluoromethylphenyl)amide 1060758-01-1 C24H19F3N2O2S
    5-(4-thiophen-3-ylphenyl)-6-oxa-4-azaspiro[2.4]hept-4-ene-7-carboxylic acid N-methyl-(3-trifluoromethylphenyl)amide
    —— 5-acetoxymethyl-2,3-dimethoxyphenyl 2-iodo-4,5-dimethoxybenzoate 1144112-67-3 C20H21IO8
    5-acetoxymethyl-2,3-dimethoxyphenyl 2-iodo-4,5-dimethoxybenzoate
    —— (5S,7a'S)-1-((S)-2-((S)-2-cyclohexyl-2-(pyrazine-2-carboxamido)acetamido)-3,3-dimethylbutanoyl)-N-(1-(cyclopropylamino)-1,2-dioxohexan-3-yl)-2'-(3-methoxybenzyl)-1'-oxohexahydrospiro[pyrrolidine-3,3'-pyrrolo[1,2-c]imidazole]-5-carboxamide 1024615-98-2 C46H63N9O8
    (5S,7a'S)-1-((S)-2-((S)-2-cyclohexyl-2-(pyrazine-2-carboxamido)acetamido)-3,3-dimethylbutanoyl)-N-(1-(cyclopropylamino)-1,2-dioxohexan-3-yl)-2'-(3-methoxybenzyl)-1'-oxohexahydrospiro[pyrrolidine-3,3'-pyrrolo[1,2-c]imidazole]-5-carboxamide
    —— 5-Decanoyl-2-isobutylthiophene 104519-03-1 C18H30OS
    5-Decanoyl-2-isobutylthiophene
    —— (5R,7R)-7,10,10-trimethyl-9,9-diphenyl-5-vinyl-2,4,8-trioxa-9-silaundecane 1354689-55-6 C24H34O3Si
    (5R,7R)-7,10,10-trimethyl-9,9-diphenyl-5-vinyl-2,4,8-trioxa-9-silaundecane
    —— 5-(4-chloro-phenyl)-1-(2,4-dichloro-phenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid piperidin-1-ylamide hydrochloride 1040397-96-3 C22H23Cl3N4O*ClH
    5-(4-chloro-phenyl)-1-(2,4-dichloro-phenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid piperidin-1-ylamide hydrochloride
    —— (5E,7Z)-1,1-dimethoxy-5,7-dodecadiene 151554-97-1 C14H26O2
    (5E,7Z)-1,1-dimethoxy-5,7-dodecadiene
    —— 5-Benzyloxy-2-(p-phenyl)styryl-benzotriazol 63944-28-5 C27H21N3O
    5-Benzyloxy-2-(p-phenyl)styryl-benzotriazol
    —— (5R)-6-(Z)-benzyloxycarbonylmethylene-3,3-dimethyl-7-oxo-(5rH)-4-thia-1-aza-bicyclo[3.2.0]heptane-2c-carboxylic acid 2,2,2-trichloro-ethyl ester 63784-22-5 C19H18Cl3NO5S
    (5R)-6-(Z)-benzyloxycarbonylmethylene-3,3-dimethyl-7-oxo-(5rH)-4-thia-1-aza-bicyclo[3.2.0]heptane-2c-carboxylic acid 2,2,2-trichloro-ethyl ester
    —— (5Z,7E,22E)-(3S,24S)-25-(1-oxobutyl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-3,24-diol 186374-07-2 C31H46O3
    (5Z,7E,22E)-(3S,24S)-25-(1-oxobutyl)-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-3,24-diol
    —— 5-isobutyl-6,<i>N</i><sup>2</sup>-dimethyl-<i>N</i><sup>4</sup>-propyl-pyrimidine-2,4-diamine 59144-01-3 C13H24N4
    5-isobutyl-6,<i>N</i><sup>2</sup>-dimethyl-<i>N</i><sup>4</sup>-propyl-pyrimidine-2,4-diamine
    —— 5-Piperidinomethyl-cumarylsaeure-isopropylamid 6116-24-1 C18H24N2O2
    5-Piperidinomethyl-cumarylsaeure-isopropylamid
    —— 5α,17β-Dihydroxy-3-oxo-6β-methyl-17α-aethyl-19-nor-androstan 105767-57-5 C21H34O3
    5α,17β-Dihydroxy-3-oxo-6β-methyl-17α-aethyl-19-nor-androstan
    —— 5-O-benzhydryl-2,3-O-isopropylidene-L-ribitol 1202748-23-9 C21H26O5
    5-O-benzhydryl-2,3-O-isopropylidene-L-ribitol
    —— (5,7-Dimethyl-1,2,3,4-tetrahydro-naphthalen-1-yl)-urea 58490-44-1 C13H18N2O
    (5,7-Dimethyl-1,2,3,4-tetrahydro-naphthalen-1-yl)-urea
    —— 5-((1R,3R)-3-Hydroxy-cyclohexyl)-indan-1-carboxylic acid methyl ester 38121-41-4 C17H22O3
    5-((1R,3R)-3-Hydroxy-cyclohexyl)-indan-1-carboxylic acid methyl ester
    —— 5-Ethyl-2-hydroxymethyl-5H-pyrano[3,2-b]indol-4-one 81413-47-0 C14H13NO3
    5-Ethyl-2-hydroxymethyl-5H-pyrano[3,2-b]indol-4-one
    —— 5-[N-(3-ethoxycarbonylphenyl)carbamoylmethyl]-2-isopropylidenehydrazonothiazolidin-4-one 163108-12-1 C17H20N4O4S
    5-[N-(3-ethoxycarbonylphenyl)carbamoylmethyl]-2-isopropylidenehydrazonothiazolidin-4-one
    —— 5-(4-fluorobenzyl)-pyrimidine-2-carboxylic acid methyl ester 500369-18-6 C13H11FN2O2
    5-(4-fluorobenzyl)-pyrimidine-2-carboxylic acid methyl ester
    —— 5-(2-fluoro-5-pyrimidin-5-ylphenyl)-5-methyl-5,6-dihydro-2H-[1,4]oxazin-3-ylamine 1352415-88-3 C15H15FN4O
    5-(2-fluoro-5-pyrimidin-5-ylphenyl)-5-methyl-5,6-dihydro-2H-[1,4]oxazin-3-ylamine
    —— (5-cyclopropyl-1-methyl-1H-pyrazol-3-yl)methanol 1226334-07-1 C8H12N2O
    (5-cyclopropyl-1-methyl-1H-pyrazol-3-yl)methanol
    —— (5-Benzoyl-4-methyl-1H-pyrrol-2-yl)-acetic acid ethyl ester 26235-76-7 C16H17NO3
    (5-Benzoyl-4-methyl-1H-pyrrol-2-yl)-acetic acid ethyl ester
    —— 5-cyclopropyl-4-iodo-1-methyl-1H-pyrazole 1354705-22-8 C7H9IN2
    5-cyclopropyl-4-iodo-1-methyl-1H-pyrazole
    —— [5-(4-fluorobenzyl)pyrazin-2-yl]methyl alcohol 500370-27-4 C12H11FN2O
    [5-(4-fluorobenzyl)pyrazin-2-yl]methyl alcohol
    —— 5-(3-trifluoromethylphenyl)-1-(4-methanesulfonylphenyl)-3-trifluoromethyl-1H-[1,2,4]triazole 660400-65-7 C17H11F6N3O2S
    5-(3-trifluoromethylphenyl)-1-(4-methanesulfonylphenyl)-3-trifluoromethyl-1H-[1,2,4]triazole
    —— 5-ethyl-4-(2-hydroxyethyl)oxolan-2-one 80934-71-0 C8H14O3
    5-ethyl-4-(2-hydroxyethyl)oxolan-2-one
    —— 5-cyclopropyl-6-(1,1-dioxo-1λ6-[1,2]thiazinan-2-yl)-2-(4-phenoxy-phenyl)-benzofuran-3-carboxylic acid methylamide 1179986-16-3 C29H28N2O5S
    5-cyclopropyl-6-(1,1-dioxo-1λ6-[1,2]thiazinan-2-yl)-2-(4-phenoxy-phenyl)-benzofuran-3-carboxylic acid methylamide
    —— (5-bromo-2-(4-methylpiperazin-1-yl)phenyl)(3,4,5-trimethoxyphenyl)methanol 1016544-63-0 C21H27BrN2O4
    (5-bromo-2-(4-methylpiperazin-1-yl)phenyl)(3,4,5-trimethoxyphenyl)methanol
    —— (5-Benzenesulfinyl-2,5,6,6-tetramethyl-cyclohex-1-enylmethoxy)-tert-butyl-dimethyl-silane 79640-07-6 C23H38O2SSi
    (5-Benzenesulfinyl-2,5,6,6-tetramethyl-cyclohex-1-enylmethoxy)-tert-butyl-dimethyl-silane
    —— 5-methyl-4-phenyl-3,4-dihydro-2H-[1,4]oxazine 1234260-32-2 C11H13NO
    5-methyl-4-phenyl-3,4-dihydro-2H-[1,4]oxazine
    —— {5-trimethylphosphine-closo-2,4-dicarbaheptaborane}BCl4 72894-73-6 BCl4*C5H15B5P
    {5-trimethylphosphine-closo-2,4-dicarbaheptaborane}BCl4
    —— 5-(2,2,5,5-tetramethylpyrrolidine-1-oxyl-3-yl)aminocarbonyl-2-{5-[5-(2,2,5,5-tetramethylpyrrolidine-1-oxyl-3-yl)aminocarbonyl-1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene]pent-1,3-dienyl}-1,3,3-trimethyl-3H-indolium iodide 1103482-94-5 C45H61N6O4*I
    5-(2,2,5,5-tetramethylpyrrolidine-1-oxyl-3-yl)aminocarbonyl-2-{5-[5-(2,2,5,5-tetramethylpyrrolidine-1-oxyl-3-yl)aminocarbonyl-1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene]pent-1,3-dienyl}-1,3,3-trimethyl-3H-indolium iodide
    —— 5-(4-chlorophenyl)-2-({[4-(methylsulfonyl)phenyl]acetyl}amino)indan-2-carboxylic acid 907947-48-2 C25H22ClNO5S
    5-(4-chlorophenyl)-2-({[4-(methylsulfonyl)phenyl]acetyl}amino)indan-2-carboxylic acid
    —— 5-Amino-7-(4-amino-5,5-difluorooctahydroisoindol-2-yl)-1-cyclopropyl-6-fluoro-8-methoxy-1H-quinazoline-2,4-dione 479086-05-0 C20H24F3N5O3
    5-Amino-7-(4-amino-5,5-difluorooctahydroisoindol-2-yl)-1-cyclopropyl-6-fluoro-8-methoxy-1H-quinazoline-2,4-dione
    —— 5-bromo-2-(5-chloro-2-thienyl)-5-nitro-1,3-dioxane 486446-26-8 C8H7BrClNO4S
    5-bromo-2-(5-chloro-2-thienyl)-5-nitro-1,3-dioxane
    —— 5-methyl-9-phenyl-1,2,3,4,5a,6-hexahydro-12<i>H</i>-6,12-etheno-benzo[1,4]cyclobuta[1,2-<i>d</i>][1,2,4]triazolo[1,2-<i>a</i>]pyridazine-8,10-dione 56424-27-2 C21H21N3O2
    5-methyl-9-phenyl-1,2,3,4,5a,6-hexahydro-12<i>H</i>-6,12-etheno-benzo[1,4]cyclobuta[1,2-<i>d</i>][1,2,4]triazolo[1,2-<i>a</i>]pyridazine-8,10-dione