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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Nitro-furan-2-carboxylic acid 1-chloro-1-thiomorpholin-4-yl-meth-(Z)-ylideneamide 100590-08-7 C10H10ClN3O4S
    5-Nitro-furan-2-carboxylic acid 1-chloro-1-thiomorpholin-4-yl-meth-(Z)-ylideneamide
    —— 5-[4-(3,5-dimethylbenzyl)-3-methyl-3,4-dihydro-2H-benzo[1,4]oxazine-6-ylmethylene]-2-thioxo-thiazolidin-4-one 719309-11-2 C22H22N2O2S2
    5-[4-(3,5-dimethylbenzyl)-3-methyl-3,4-dihydro-2H-benzo[1,4]oxazine-6-ylmethylene]-2-thioxo-thiazolidin-4-one
    —— 5-[(6-benzylamino-[1,2,5]oxadiazolo[3,4-b]pyrazin-5-yl)-hydrazono-methyl]-furan-2-sulfonic acid 851661-01-3 C16H13N7O5S
    5-[(6-benzylamino-[1,2,5]oxadiazolo[3,4-b]pyrazin-5-yl)-hydrazono-methyl]-furan-2-sulfonic acid
    —— 5-Iodo-3-(2S)-2-piperazinyl-2-pyridinamine 1213223-70-1 C9H13IN4
    5-Iodo-3-(2S)-2-piperazinyl-2-pyridinamine
    —— 5-chloro-1H-indole-2-carboxylic acid 2-((2,4-difluorophenyl)-imino-methyl)hydrazide methanesulfonate 521963-15-5 CH4O3S*C16H11ClF2N4O
    5-chloro-1H-indole-2-carboxylic acid 2-((2,4-difluorophenyl)-imino-methyl)hydrazide methanesulfonate
    —— 5-(benzyloxy)-3-methylpent-1-en-3-yl methyl carbonate 1413935-02-0 C15H20O4
    5-(benzyloxy)-3-methylpent-1-en-3-yl methyl carbonate
    —— 5-(4-Hydroxybutylaminomethyl)thieno[2,3-b]thiophene-2-sulfonamide hydrochloride 122267-06-5 C11H16N2O3S3*ClH
    5-(4-Hydroxybutylaminomethyl)thieno[2,3-b]thiophene-2-sulfonamide hydrochloride
    —— 5-{5-[bis-(2-chloro-ethyl)-amino]-1-methyl-1<i>H</i>-benzoimidazol-2-yl}-pentanoic acid 41515-16-6 C17H23Cl2N3O2
    5-{5-[bis-(2-chloro-ethyl)-amino]-1-methyl-1<i>H</i>-benzoimidazol-2-yl}-pentanoic acid
    —— 5-amino-5-{4-[(2-methyl-4-quinolinyl)methoxy]benzyl}-2,4,6(1H, 3H, 5H)-pyrimidinetrione 556051-97-9 C22H20N4O4
    5-amino-5-{4-[(2-methyl-4-quinolinyl)methoxy]benzyl}-2,4,6(1H, 3H, 5H)-pyrimidinetrione
    —— 5-{[4-Cyano-2,2-dimethyl-1-phenyl-but-(E)-ylidene]-hydrazono}-4,4-dimethyl-5-phenyl-pentanenitrile 38425-93-3 C26H30N4
    5-{[4-Cyano-2,2-dimethyl-1-phenyl-but-(E)-ylidene]-hydrazono}-4,4-dimethyl-5-phenyl-pentanenitrile
    —— (5Z,10E)-(8RS,12S)-8-acetyl-12-hydroxy-5,10-heptadecadienoic acid 80078-21-3 C19H32O4
    (5Z,10E)-(8RS,12S)-8-acetyl-12-hydroxy-5,10-heptadecadienoic acid
    —— 5-(3,4-dimethoxyphenyl)-3-hydroxy-1-(2-hydroxyphenyl)penta-2,4-dien-1-one 1011791-78-8 C19H18O5
    5-(3,4-dimethoxyphenyl)-3-hydroxy-1-(2-hydroxyphenyl)penta-2,4-dien-1-one
    —— 5-Acetoxy-2',3,6-trimethoxy-flavon 1172-01-6 C20H18O7
    5-Acetoxy-2',3,6-trimethoxy-flavon
    —— 5-Chlor-furfuryliden-acetophenon 63111-99-9 C13H9ClO2
    5-Chlor-furfuryliden-acetophenon
    —— (5Z,10E)-(8RS,9RS,12S)-8-acetyl-12-hydroxy-9-methyl-5,10-heptedecadienoic acid 80465-71-0 C20H34O4
    (5Z,10E)-(8RS,9RS,12S)-8-acetyl-12-hydroxy-9-methyl-5,10-heptedecadienoic acid
    —— 5,10-Dimethyl-5-hydroxy-Δ<sup>1.9</sup>-octalon-(2) 23040-69-9 C12H18O2
    5,10-Dimethyl-5-hydroxy-Δ<sup>1.9</sup>-octalon-(2)
    —— 5'-(4-chlorobenzylamino)-5'-deoxythymidine 115179-56-1 C17H20ClN3O4
    5'-(4-chlorobenzylamino)-5'-deoxythymidine
    —— (5-(2,3-dichlorobenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetic acid 1527479-56-6 C12H7Cl2NO3S2
    (5-(2,3-dichlorobenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetic acid
    —— 5-methyl-3H-cyclopenta[a]naphthalene-1,2-dione 72795-40-5 C14H10O2
    5-methyl-3H-cyclopenta[a]naphthalene-1,2-dione
    —— [5-(3-methanesulfonyl-5-trifluoromethyl-benzenesulfonylamino)-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy]-acetic acid 1415653-84-7 C21H22F3NO7S2
    [5-(3-methanesulfonyl-5-trifluoromethyl-benzenesulfonylamino)-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy]-acetic acid
    —— 5,6-dimethyl-1,3-dihydro-2-telluraindene 128954-26-7 C10H12Te
    5,6-dimethyl-1,3-dihydro-2-telluraindene
    —— 5-Benzyl-3-((2E,4E)-1-hydroxy-hexa-2,4-dienyl)-4-methoxy-1,5-dimethyl-1,5-dihydro-pyrrol-2-one 130836-75-8 C20H25NO3
    5-Benzyl-3-((2E,4E)-1-hydroxy-hexa-2,4-dienyl)-4-methoxy-1,5-dimethyl-1,5-dihydro-pyrrol-2-one
    —— 5-(1,3-Thiazol-2-yl)-1,3-thiazole-4-carboxylic acid 1047676-43-6 C7H4N2O2S2
    5-(1,3-Thiazol-2-yl)-1,3-thiazole-4-carboxylic acid
    —— 5-bromopyrrolo[1,2-b]pyridazine 1935307-88-2 C7H5BrN2
    5-bromopyrrolo[1,2-b]pyridazine
    —— 5-[2-(6-methyl-[2]pyridyl)-ethyl]-barbituric acid 105142-64-1 C12H13N3O3
    5-[2-(6-methyl-[2]pyridyl)-ethyl]-barbituric acid
    —— 5'-bromo-2'-hydroxy-4,4'-dimethoxy-<i>trans</i>-chalcone 108979-10-8 C17H15BrO4
    5'-bromo-2'-hydroxy-4,4'-dimethoxy-<i>trans</i>-chalcone
    —— 5,6-Dichlor-3-aethoxy-2-oxo-1-phenyl-1,2-dihydro-pyrazin 104997-71-9 C12H10Cl2N2O2
    5,6-Dichlor-3-aethoxy-2-oxo-1-phenyl-1,2-dihydro-pyrazin
    —— 5-ethyl-2-phenyl-dihydro-[1,3,5]dithiazine 112535-63-4 C11H15NS2
    5-ethyl-2-phenyl-dihydro-[1,3,5]dithiazine
    —— 5-(2-propylmercapto-ethyl)-imidazolidine-2,4-dione 98493-01-7 C8H14N2O2S
    5-(2-propylmercapto-ethyl)-imidazolidine-2,4-dione
    —— 5-isobutyl-2,2-dimethyl-5-(4-phenyl-but-3-enyl)-[1,3]dioxane-4,6-dione 1146212-13-6 C20H26O4
    5-isobutyl-2,2-dimethyl-5-(4-phenyl-but-3-enyl)-[1,3]dioxane-4,6-dione
    —— (5'S)-3'-O-[(tert-butyl)dimethylsilyl]-2'-deoxy-5-methyl-5'-C-(3-methylbutyl)-5'-O-(9-phenyl-9H-xanthen-9-yl)cytidine 331822-66-3 C40H51N3O5Si
    (5'S)-3'-O-[(tert-butyl)dimethylsilyl]-2'-deoxy-5-methyl-5'-C-(3-methylbutyl)-5'-O-(9-phenyl-9H-xanthen-9-yl)cytidine
    —— 5α,6α-Difluor-cholestan-3β-ol 3997-36-2 C27H46F2O
    5α,6α-Difluor-cholestan-3β-ol
    —— 5-Ethyl-5-(pent-2-en-2-yl)dihydropyrimidine-2,4(1H,3H)-dione 831220-18-9 C11H18N2O2
    5-Ethyl-5-(pent-2-en-2-yl)dihydropyrimidine-2,4(1H,3H)-dione
    —— 5-mesityl-1-(perfluorophenyl)-4-(trimethylsilyl)-1H-1,2,3-triazole 1338916-55-4 C20H20F5N3Si
    5-mesityl-1-(perfluorophenyl)-4-(trimethylsilyl)-1H-1,2,3-triazole
    —— 5,6-Bis-biphenyl-4-yl-2,3-dihydro-[1,4]dioxine 83691-82-1 C28H22O2
    5,6-Bis-biphenyl-4-yl-2,3-dihydro-[1,4]dioxine
    —— 5-Methyl-3-phenethyl-2-propyl-furan 83413-75-6 C16H20O
    5-Methyl-3-phenethyl-2-propyl-furan
    —— 5-(4-cyclopropylphenyl)-1-(2,4-dichlorophenyl)-4-methyl-N-cyclopropyl-1H-pyrazole-3-carboxamide 1034891-46-7 C23H21Cl2N3O
    5-(4-cyclopropylphenyl)-1-(2,4-dichlorophenyl)-4-methyl-N-cyclopropyl-1H-pyrazole-3-carboxamide
    —— 5-Ethoxy-2-methyl-4,7-dioxo-1-phenyl-4,7-dihydro-1H-indole-3-carboxylic acid ethyl ester 60262-96-6 C20H19NO5
    5-Ethoxy-2-methyl-4,7-dioxo-1-phenyl-4,7-dihydro-1H-indole-3-carboxylic acid ethyl ester
    —— 5,6,8,9,10,11,12,12a-Octahydro-1,2,3-trimethoxybenzo<a>heptalenon-(8) 110939-51-0 C19H24O4
    5,6,8,9,10,11,12,12a-Octahydro-1,2,3-trimethoxybenzo<a>heptalenon-(8)
    —— 5-nitro-2-pyridyl 3,4,6-tri-O-acetyl-2-deoxy-1-thio-β-D-glucopyranoside 1430819-89-8 C17H20N2O9S
    5-nitro-2-pyridyl 3,4,6-tri-O-acetyl-2-deoxy-1-thio-β-D-glucopyranoside
    —— (5-bromo-4-(trimethylsilyl)thiophen-2-yl)(2,3-dichlorophenyl)methanol 1435937-45-3 C14H15BrCl2OSSi
    (5-bromo-4-(trimethylsilyl)thiophen-2-yl)(2,3-dichlorophenyl)methanol
    —— 5'α-benzyl-2-bromo-12'-hydroxy-1,2'-dimethyl-(10α)-9,10-dihydro-ergotamane-18,3',6'-trione 120581-78-4 C34H38BrN5O5
    5'α-benzyl-2-bromo-12'-hydroxy-1,2'-dimethyl-(10α)-9,10-dihydro-ergotamane-18,3',6'-trione
    —— 5-methyl-5-(2-piperidino-ethyl)-2-thio-barbituric acid 91636-90-7 C12H19N3O2S
    5-methyl-5-(2-piperidino-ethyl)-2-thio-barbituric acid
    —— 5-chloro-2-methoxy-benzenethiosulfonic acid <i>S</i>-trichloromethyl ester 117889-51-7 C8H6Cl4O3S2
    5-chloro-2-methoxy-benzenethiosulfonic acid <i>S</i>-trichloromethyl ester
    —— 5-ethyl-3,8-diamino-6-(3-nitro-phenyl)-phenanthridinium; chloride 114033-69-1 C21H19N4O2*Cl
    5-ethyl-3,8-diamino-6-(3-nitro-phenyl)-phenanthridinium; chloride
    —— 5-<2-Methoxy-ethoxymethyl>-uracil 98490-07-4 C8H12N2O4
    5-<2-Methoxy-ethoxymethyl>-uracil
    —— 5-Amino-4-(4-methoxy-benzolazo)-2.1.3-benzothiadiazol 107619-08-9 C13H11N5OS
    5-Amino-4-(4-methoxy-benzolazo)-2.1.3-benzothiadiazol
    —— 5-<82Br>-Brom-2-<14C>-uracil 117756-98-6 C4H3BrN2O2
    5-<82Br>-Brom-2-<14C>-uracil
    —— 5-(2,3-dihydroxy-propyl)-2-methoxy-3-methyl-benzoic acid methyl ester 100619-78-1 C13H18O5
    5-(2,3-dihydroxy-propyl)-2-methoxy-3-methyl-benzoic acid methyl ester
    —— 5-cyclohexyl-1,2,4,5,6,7-hexahydro-indazol-3-one 100800-06-4 C13H20N2O
    5-cyclohexyl-1,2,4,5,6,7-hexahydro-indazol-3-one