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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-butyl-4,6-dichloro-2-propyl-pyrimidine 99981-14-3 C11H16Cl2N2
    5-butyl-4,6-dichloro-2-propyl-pyrimidine
    —— 5-Nitroso-4-methylamino-2-dimethylamino-6-oxo-dihydropyrimidin 90009-10-2 C7H11N5O2
    5-Nitroso-4-methylamino-2-dimethylamino-6-oxo-dihydropyrimidin
    —— 5-Butyl-4-chlor-6-hydroxy-pyrimidin 90002-93-0 C8H11ClN2O
    5-Butyl-4-chlor-6-hydroxy-pyrimidin
    —— 5-[(3,3-Difluoroazetidin-1-yl)carbonyl]-3-(4-fluorobenzyl)-10-hydroxy-N-methyl-8-oxo-8H-[1,4]oxazino[2,3,4-de][1,5]naphthyridine-9-carboxamide 1206526-75-1 C23H17F3N4O5
    5-[(3,3-Difluoroazetidin-1-yl)carbonyl]-3-(4-fluorobenzyl)-10-hydroxy-N-methyl-8-oxo-8H-[1,4]oxazino[2,3,4-de][1,5]naphthyridine-9-carboxamide
    —— 5-(4-fluoro-phenylethynyl)-3-methyl-pyridine-2-carboxylic acid tert-butyl-methyl-amide 1403770-61-5 C20H21FN2O
    5-(4-fluoro-phenylethynyl)-3-methyl-pyridine-2-carboxylic acid tert-butyl-methyl-amide
    —— 5,6-dichloro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)benzimidazole 137016-56-9 C33H24Cl2N2O7
    5,6-dichloro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)benzimidazole
    —— 5-ethylithio-4-nitro-1-phenacylimidazole 112995-66-1 C13H13N3O3S
    5-ethylithio-4-nitro-1-phenacylimidazole
    —— 5-Methyl-N-(p-tolylsulfonyl)-1-thia-10-aza<2.2>metacyclophan 126694-75-5 C22H21NO2S2
    5-Methyl-N-(p-tolylsulfonyl)-1-thia-10-aza<2.2>metacyclophan
    —— 5-bromo-3-[N-[2-[2-(1-naphthylcarbamoyloxy)ethoxy]ethyl]-N-phenyl]carbamoyl-1-propylpyridinium chloride 121493-16-1 C30H31BrN3O4*Cl
    5-bromo-3-[N-[2-[2-(1-naphthylcarbamoyloxy)ethoxy]ethyl]-N-phenyl]carbamoyl-1-propylpyridinium chloride
    —— 5-(3-Chloro-benzyl)-2-phenyl-4-(phenyl-hydrazono)-2,4-dihydro-pyrazol-3-one 98769-22-3 C22H17ClN4O
    5-(3-Chloro-benzyl)-2-phenyl-4-(phenyl-hydrazono)-2,4-dihydro-pyrazol-3-one
    —— 5,5,8-trimethyl-nona-6<i>t</i>,8-dienoic acid ethyl ester 41702-24-3 C14H24O2
    5,5,8-trimethyl-nona-6<i>t</i>,8-dienoic acid ethyl ester
    —— (5S,11bS)-11b-((4-cyclopentyl-1H-1,2,3-triazol-1-yl)methyl)-3-oxo-2,3,5,6,11,11b-hexahydro-1H-indolizino[8,7-b]indole-5-carboxylic acid 1442103-44-7 C23H25N5O3
    (5S,11bS)-11b-((4-cyclopentyl-1H-1,2,3-triazol-1-yl)methyl)-3-oxo-2,3,5,6,11,11b-hexahydro-1H-indolizino[8,7-b]indole-5-carboxylic acid
    —— 5-diethoxymethyl-1-(2-ethoxyethyl)-1,2,3-Δ<sup>2</sup>-triazoline 114056-55-2 C11H23N3O3
    5-diethoxymethyl-1-(2-ethoxyethyl)-1,2,3-Δ<sup>2</sup>-triazoline
    —— 5-(4-hydroxyphenyl)-10,15,20-tris(4-N-pyridiniumyl)porphyrin 127801-02-9 C41H27N7O
    5-(4-hydroxyphenyl)-10,15,20-tris(4-N-pyridiniumyl)porphyrin
    —— 5-Hydrazino-biphenyl-2-carbonsaeurehydrazid 92023-80-8 C13H14N4O
    5-Hydrazino-biphenyl-2-carbonsaeurehydrazid
    —— (+-)-5-methyl-3c-phenyl-cyclohex-4-ene-1r,2c-dicarboxylic acid-anhydride 108474-12-0 C15H14O3
    (+-)-5-methyl-3c-phenyl-cyclohex-4-ene-1r,2c-dicarboxylic acid-anhydride
    —— 5-methyl-7-(3,4,5-trimethoxyphenyl)-5H-indeno<5,6-d>-1,3-dioxol-5-ol 94671-16-6 C20H20O6
    5-methyl-7-(3,4,5-trimethoxyphenyl)-5H-indeno<5,6-d>-1,3-dioxol-5-ol
    —— 5-benzyl-furan-2-carbaldehyde semicarbazone 93003-32-8 C13H13N3O2
    5-benzyl-furan-2-carbaldehyde semicarbazone
    —— (5R)-N5-(4-bromo-3-chlorophenyl)-(6R)-N6-(4-pyrrolidino-butyl)-(4S,7R)-[4,7-ethenylene-spiro[2.4]heptane]-5,6-dicarboxamide 1256274-32-4 C25H31BrClN3O2
    (5R)-N5-(4-bromo-3-chlorophenyl)-(6R)-N6-(4-pyrrolidino-butyl)-(4S,7R)-[4,7-ethenylene-spiro[2.4]heptane]-5,6-dicarboxamide
    —— 5-(1-azido-3-{[4-chloro-3-(3-methoxypropoxy)phenyl]hydroxymethyl}-4-methylpentyl)-3-isopropyldihydrofuran-2-one 909406-95-7 C24H36ClN3O5
    5-(1-azido-3-{[4-chloro-3-(3-methoxypropoxy)phenyl]hydroxymethyl}-4-methylpentyl)-3-isopropyldihydrofuran-2-one
    —— 5-amino-8-anilino-6-bromo-2,3-dimethyl-[1,4]naphthoquinone 101737-36-4 C18H15BrN2O2
    5-amino-8-anilino-6-bromo-2,3-dimethyl-[1,4]naphthoquinone
    —— 5-p-tolyl-5,6,6a,7,8,9-hexahydrophenanthridine 1284229-74-8 C20H21N
    5-p-tolyl-5,6,6a,7,8,9-hexahydrophenanthridine
    —— 5-(2-Diethylamino-ethyl)-2-methyl-1H-indole-3-carboxylic acid 1-(2,6-dimethylphenyl)-ethyl ester 459451-18-4 C26H34N2O2
    5-(2-Diethylamino-ethyl)-2-methyl-1H-indole-3-carboxylic acid 1-(2,6-dimethylphenyl)-ethyl ester
    —— 5,5'-Bis-acetylamino-2,2'-dihydroxy-benzil 132593-03-4 C18H16N2O6
    5,5'-Bis-acetylamino-2,2'-dihydroxy-benzil
    —— [5-[[3-chloro-4-(trifluoromethyl)phenyl]methylamino]-4-methylpyridin-3-yl]-[4-[[(3S,4S)-3-methoxyoxan-4-yl]amino]piperidin-1-yl]methanone 1351864-85-1 C26H32ClF3N4O3
    [5-[[3-chloro-4-(trifluoromethyl)phenyl]methylamino]-4-methylpyridin-3-yl]-[4-[[(3S,4S)-3-methoxyoxan-4-yl]amino]piperidin-1-yl]methanone
    —— 5-ethylsulfanyl-pent-2-en-4-yn-1-ol 89897-85-8 C7H10OS
    5-ethylsulfanyl-pent-2-en-4-yn-1-ol
    —— 5-(2-chloro-ethoxy)-2-methyl-pent-3-yn-2-ol 13686-61-8 C8H13ClO2
    5-(2-chloro-ethoxy)-2-methyl-pent-3-yn-2-ol
    —— 5-phenyl-3-semicarbazono-tetrahydro-thiophene-2-carboxylic acid methyl ester 105904-48-1 C13H15N3O3S
    5-phenyl-3-semicarbazono-tetrahydro-thiophene-2-carboxylic acid methyl ester
    —— 5-amino-1-cyclohexyl-2-methyl-1<i>H</i>-imidazole-4-carbothioic acid amide 110376-12-0 C11H18N4S
    5-amino-1-cyclohexyl-2-methyl-1<i>H</i>-imidazole-4-carbothioic acid amide
    —— 5-methyl-thiazolidine-2,4-dione-2-[1-(2-hydroxy-5-methoxy-phenyl)-ethylLiDenehydrazone] 109014-96-2 C13H15N3O3S
    5-methyl-thiazolidine-2,4-dione-2-[1-(2-hydroxy-5-methoxy-phenyl)-ethylLiDenehydrazone]
    —— 5-acetoxy-3-methylsulfanyl-pentan-2-one 108018-42-4 C8H14O3S
    5-acetoxy-3-methylsulfanyl-pentan-2-one
    —— 5-cyclopropyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one 1461713-59-6 C12H14N2O
    5-cyclopropyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one
    —— 5-benzylidene-3-phenyl-1-phenylsulphonylamino-2,3-dihydro-2-thioxo-4,6-(1H,5H)-pyrimidinedione 168073-24-3 C23H17N3O4S2
    5-benzylidene-3-phenyl-1-phenylsulphonylamino-2,3-dihydro-2-thioxo-4,6-(1H,5H)-pyrimidinedione
    —— (5,6-dimethyl-4-phenylimino-4,5-dihydro-[1,3,5]triazin-2-yl)phenylamine 1361013-80-0 C17H17N5
    (5,6-dimethyl-4-phenylimino-4,5-dihydro-[1,3,5]triazin-2-yl)phenylamine
    —— 5'-((1R,2R)-1-benzyl-2-carboxy-2-hydroxy-ethylcarbamoyl)-2'-isopropyl-biphenyl-2-carboxylic acid 1415482-52-8 C27H27NO6
    5'-((1R,2R)-1-benzyl-2-carboxy-2-hydroxy-ethylcarbamoyl)-2'-isopropyl-biphenyl-2-carboxylic acid
    —— 5α,21-dibromo-6β,19-epoxy-16α-ethyl-3β-hydroxypregnan-20-one 102362-58-3 C23H34Br2O3
    5α,21-dibromo-6β,19-epoxy-16α-ethyl-3β-hydroxypregnan-20-one
    —— 5,8-dimercaptoquinoline 39103-20-3 C9H7NS2
    5,8-dimercaptoquinoline
    —— 5,7-dichloro-4-[(4-trifluoromethoxy-phenylcarbamoyl)-methoxy]-naphthalene-2-carboxylic acid 1257343-11-5 C20H12Cl2F3NO5
    5,7-dichloro-4-[(4-trifluoromethoxy-phenylcarbamoyl)-methoxy]-naphthalene-2-carboxylic acid
    —— 5-(tert-Butyl-dimethyl-silanyl)-4-triethylsilanyloxymethyl-furan-2-carbaldehyde 158360-06-6 C18H34O3Si2
    5-(tert-Butyl-dimethyl-silanyl)-4-triethylsilanyloxymethyl-furan-2-carbaldehyde
    —— 5-(p-trolyl)-5H-benzo[b]carbazole-6,11-dione 56568-59-3 C23H15NO2
    5-(p-trolyl)-5H-benzo[b]carbazole-6,11-dione
    —— 5,5-(ethylenedioxy)-2,2-(ethylenedithio)-4aβ-methyl-2,3,4,4a,5,6,7,8-octahydronaphthalene 100432-14-2 C15H22O2S2
    5,5-(ethylenedioxy)-2,2-(ethylenedithio)-4aβ-methyl-2,3,4,4a,5,6,7,8-octahydronaphthalene
    —— 5-(4-aminophenyl)-2-(2-hydroxy-3-α-cumyl-5-tert-octylphenyl)-2H-benzotriazole 468103-38-0 C35H40N4O
    5-(4-aminophenyl)-2-(2-hydroxy-3-α-cumyl-5-tert-octylphenyl)-2H-benzotriazole
    —— 5-hydroxy-5'-methyl-2'-phenyl-1,3-dihydro-2'<i>H</i>-spiro[indole-2,4'-pyrazol]-3'-one 58620-73-8 C17H15N3O2
    5-hydroxy-5'-methyl-2'-phenyl-1,3-dihydro-2'<i>H</i>-spiro[indole-2,4'-pyrazol]-3'-one
    —— 5-benzylidene-3-ethyl-2-phenyl-3,5-dihydro-imidazol-4-one 72833-03-5 C18H16N2O
    5-benzylidene-3-ethyl-2-phenyl-3,5-dihydro-imidazol-4-one
    —— 5'-O-pentanoyl-2',3'-O-isopropylidene-5-fluorouridine 128745-85-7 C17H23FN2O7
    5'-O-pentanoyl-2',3'-O-isopropylidene-5-fluorouridine
    —— 5,6-dimethoxy-3-nonyl-1,3-dihydro-indol-2-one 58605-05-3 C19H29NO3
    5,6-dimethoxy-3-nonyl-1,3-dihydro-indol-2-one
    —— 5-((3-((3R,4S)-3-hydroxytetrahydro-2H-pyran-4-yl)-4-oxo-3,4-dihydrobenzo[h]quinazolin-6-yl)methyl)pyridine-2-carboxylic acid 1268515-89-4 C24H21N3O5
    5-((3-((3R,4S)-3-hydroxytetrahydro-2H-pyran-4-yl)-4-oxo-3,4-dihydrobenzo[h]quinazolin-6-yl)methyl)pyridine-2-carboxylic acid
    —— 5-methyl-1,3,5-dithiazinan-5-ium tetrabromoaluminate 749217-39-8 AlBr4*C4H10NS2
    5-methyl-1,3,5-dithiazinan-5-ium tetrabromoaluminate
    —— 5-[5-fluoro-4-(1-hydroxy-ethyl)-pyridin-3-yl]-3H-isobenzofuran-1-one 1308669-45-5 C15H12FNO3
    5-[5-fluoro-4-(1-hydroxy-ethyl)-pyridin-3-yl]-3H-isobenzofuran-1-one
    —— 5,8-dihydro-5,8-dioxoquinoline-N,N-dimethyl-2-carboxamide 880137-63-3 C12H10N2O3
    5,8-dihydro-5,8-dioxoquinoline-N,N-dimethyl-2-carboxamide