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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5'-[oxybis(1,3,2-dithiabismane-2,4-diyl)]dipentanoic acid 1600506-17-9 C16H28Bi2O5S4
    5,5'-[oxybis(1,3,2-dithiabismane-2,4-diyl)]dipentanoic acid
    —— 5-[(6,13-difluoro-2-tricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaenylidene)methyl]-3H-1,3-benzothiazol-2-one 710344-22-2 C23H15F2NOS
    5-[(6,13-difluoro-2-tricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaenylidene)methyl]-3H-1,3-benzothiazol-2-one
    —— 5-methoxymethoxy-3,4-dihydro-1H-naphthalen-2-one 105207-26-9 C12H14O3
    5-methoxymethoxy-3,4-dihydro-1H-naphthalen-2-one
    —— 5-(5-formyl-1H-pyrrol-2-yl)-6-(1H-pyrrol-2-yl)-pyrazine-2,3-dicarbonitrile 623573-61-5 C15H8N6O
    5-(5-formyl-1H-pyrrol-2-yl)-6-(1H-pyrrol-2-yl)-pyrazine-2,3-dicarbonitrile
    —— 5-acetoxy-9,10-dioxo-9,10-dihydro-anthracene-2-carbonyl chloride 873982-06-0 C17H9ClO5
    5-acetoxy-9,10-dioxo-9,10-dihydro-anthracene-2-carbonyl chloride
    —— 5’-[(2-cyanoethyl)(N,N-diisopropyl)]phosphoramidite-3′-O-acetylthymidine 143446-82-6 C21H33N4O7P
    5’-[(2-cyanoethyl)(N,N-diisopropyl)]phosphoramidite-3′-O-acetylthymidine
    —— 5-[(2-chloroanilino)methyl]-1-(2-methyl-4-oxoquinazolin-3-yl)-3-phenyl-2-sulfanylidene-1,3-diazinane-4,6-dione 117054-61-2 C26H20ClN5O3S
    5-[(2-chloroanilino)methyl]-1-(2-methyl-4-oxoquinazolin-3-yl)-3-phenyl-2-sulfanylidene-1,3-diazinane-4,6-dione
    —— 5-(3-fluorophenylethynyl)-N,N-dimethyl-nicotinamide 866686-64-8 C16H13FN2O*ClH
    5-(3-fluorophenylethynyl)-N,N-dimethyl-nicotinamide
    —— (+/-)-5<i>c</i>-(4-iodo-phenyl)-2,4<i>r</i>-dimethyl-4,5-dihydro-oxazole; hydrochloride 99861-08-2 C11H12INO*ClH
    (+/-)-5<i>c</i>-(4-iodo-phenyl)-2,4<i>r</i>-dimethyl-4,5-dihydro-oxazole; hydrochloride
    —— (5a<i>S</i>,17<i>S</i>,20<i>S</i>)-1,7,9,15,17,20-hexakis-benzoyloxy-3,11-dimethyl-6<i>H</i>,14<i>H</i>-6<i>c</i>,13a<i>c</i>,5a<i>r</i>,14<i>c</i>-butane-1,2,3,4-tetrayl-cycloocta[1,2-<i>b</i>;5,6-<i>b'</i>]dinaphthalene-5,8,13,16-tetraone 120580-12-3 C72H46O16
    (5a<i>S</i>,17<i>S</i>,20<i>S</i>)-1,7,9,15,17,20-hexakis-benzoyloxy-3,11-dimethyl-6<i>H</i>,14<i>H</i>-6<i>c</i>,13a<i>c</i>,5a<i>r</i>,14<i>c</i>-butane-1,2,3,4-tetrayl-cycloocta[1,2-<i>b</i>;5,6-<i>b'</i>]dinaphthalene-5,8,13,16-tetraone
    —— 5-(diethylaminomethyl)-5,6,7,8-tetrahydronaphthalene-1,2-diol;hydrobromide 97352-11-9 BrH*C15H23NO2
    5-(diethylaminomethyl)-5,6,7,8-tetrahydronaphthalene-1,2-diol;hydrobromide
    —— 5-methyl-2-phenyl-7-(trifluoromethyl)-[1,3]thiazolo[3,2-a]pyrimidin-4-ium-3-olate 86660-15-3 C14H9F3N2OS
    5-methyl-2-phenyl-7-(trifluoromethyl)-[1,3]thiazolo[3,2-a]pyrimidin-4-ium-3-olate
    —— 5-(4-fluorobenzoyl)-5,6,7,8-tetrahydro-2-(phenoxymethyl)-4H-thiazolo[5,4-c]azepine 1363286-02-5 C21H19FN2O2S
    5-(4-fluorobenzoyl)-5,6,7,8-tetrahydro-2-(phenoxymethyl)-4H-thiazolo[5,4-c]azepine
    —— 5-(3-phenyl-prop-1-ynyl)-pyrazolo[1,5-a]pyrimidine 1228353-21-6 C15H11N3
    5-(3-phenyl-prop-1-ynyl)-pyrazolo[1,5-a]pyrimidine
    —— 5-Isopropyl-4,8,10a-trimethyl-1,2,4a,4b,5,6,7,9,10,10a-decahydro-phenanthrene 68782-08-1 C20H32
    5-Isopropyl-4,8,10a-trimethyl-1,2,4a,4b,5,6,7,9,10,10a-decahydro-phenanthrene
    —— 5-(3,4-Bis-phenethyloxy-phenyl)-thiazolidine-2,4-dione 85258-97-5 C25H23NO4S
    5-(3,4-Bis-phenethyloxy-phenyl)-thiazolidine-2,4-dione
    —— 5-cyclopropyl-6-(2-methyl-propane-1-sulfonyl)-pyridine-2-carboxylic acid (3-carbamoylmethyl-oxetan-3-yl)-amide 1613297-63-4 C18H25N3O5S
    5-cyclopropyl-6-(2-methyl-propane-1-sulfonyl)-pyridine-2-carboxylic acid (3-carbamoylmethyl-oxetan-3-yl)-amide
    —— 5,5-dimethyl-3-(3-methyl-4-nitrophenyl)imidazolidine-2,4-dione 1252643-19-8 C12H13N3O4
    5,5-dimethyl-3-(3-methyl-4-nitrophenyl)imidazolidine-2,4-dione
    —— 5-(3-chloropyridin-2-yl)-N-{5-[(dimethylamino)methyl]-1,3-thiazol-2-yl}-1H-indazole-3-amine 1093967-83-9 C18H17ClN6S
    5-(3-chloropyridin-2-yl)-N-{5-[(dimethylamino)methyl]-1,3-thiazol-2-yl}-1H-indazole-3-amine
    —— (5-methylfuro[2',3':4,5]benzo[1,2-d]isoxazol-3-yl)acetic acid hydrazide 1217344-06-3 C12H11N3O3
    (5-methylfuro[2',3':4,5]benzo[1,2-d]isoxazol-3-yl)acetic acid hydrazide
    —— 5-(tert-butoxycarbonylamino)-2-isopropylthiazole-4-carboxylic acid 1270034-47-3 C12H18N2O4S
    5-(tert-butoxycarbonylamino)-2-isopropylthiazole-4-carboxylic acid
    —— 5-cyclopropyl-4-[2-(N-ethyl-N-ethoxycarbonylamino)4-trifluoromethylbenzoyl]isoxazole 170108-43-7 C19H19F3N2O4
    5-cyclopropyl-4-[2-(N-ethyl-N-ethoxycarbonylamino)4-trifluoromethylbenzoyl]isoxazole
    —— 5'-O-acetyl-3'-O-benzyl-3-[3-[5-chloro-4-(2-thenoyloxy)-2-pyridyloxycarbonyl]benzoyl]-2'-deoxy-5-fluorouridine 103767-33-5 C36H27ClFN3O11S
    5'-O-acetyl-3'-O-benzyl-3-[3-[5-chloro-4-(2-thenoyloxy)-2-pyridyloxycarbonyl]benzoyl]-2'-deoxy-5-fluorouridine
    —— 5-amino-1-(5-N-benzylamino-2,3-di-O-palmitoyl-5-deoxy-β-D-ribofuranosyl)imidazole-4-carboxamide 1039099-91-6 C48H81N5O6
    5-amino-1-(5-N-benzylamino-2,3-di-O-palmitoyl-5-deoxy-β-D-ribofuranosyl)imidazole-4-carboxamide
    —— 5'-[(1,4,-Dihydro-1-methyl-2pyridinylcarbonyl)oxy]-3'-azido-3'-dideoxythymidine 790635-36-8 C17H20N6O5
    5'-[(1,4,-Dihydro-1-methyl-2pyridinylcarbonyl)oxy]-3'-azido-3'-dideoxythymidine
    —— 5,11,17,23-tetra-tert-butyl-25,27-bis((3,5-dinitrobenzoyl)oxy)-26,28-bis(acrolyloxy)calix<4>arene 137258-36-7 C64H64N4O16
    5,11,17,23-tetra-tert-butyl-25,27-bis((3,5-dinitrobenzoyl)oxy)-26,28-bis(acrolyloxy)calix<4>arene
    —— 5-(4-Acetylpiperazin-1-yl)-4-heptoxy-2-phenylpyridazin-3-one 1062076-58-7 C23H32N4O3
    5-(4-Acetylpiperazin-1-yl)-4-heptoxy-2-phenylpyridazin-3-one
    —— 5-fluoro-2-(3,5-dimethyl-4-isoxazolyl)phenyl 5-thio-β-D-xylopyranoside 1011721-41-7 C16H18FNO5S
    5-fluoro-2-(3,5-dimethyl-4-isoxazolyl)phenyl 5-thio-β-D-xylopyranoside
    —— 5-butoxy-3-(1-methyl-1H-pyrazol-4-yl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-pyrrolo[2,3-b]pyridine 923583-74-8 C21H32N4O2Si
    5-butoxy-3-(1-methyl-1H-pyrazol-4-yl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-pyrrolo[2,3-b]pyridine
    —— (5Z,9E)-(8R,11R)-8-(4,5-Dihydro-isoxazol-5-yl)-11-hydroxy-heptadeca-5,9-dienoic acid methyl ester 79768-81-3 C21H35NO4
    (5Z,9E)-(8R,11R)-8-(4,5-Dihydro-isoxazol-5-yl)-11-hydroxy-heptadeca-5,9-dienoic acid methyl ester
    —— (-)589-ammineglycinato-1,4,7-triazacyclononanecobalt(III) 741624-98-6 C8H22CoN5O2
    (-)589-ammineglycinato-1,4,7-triazacyclononanecobalt(III)
    —— 5-methyl-2-trifluoroacetyl-3,6-dihydro-2<i>H</i>-[1,2]oxazine 14226-36-9 C7H8F3NO2
    5-methyl-2-trifluoroacetyl-3,6-dihydro-2<i>H</i>-[1,2]oxazine
    —— 5-(2-acetoxyethyl)-3-(2,2-dimethylvinyl)-5-methylisoxazoline 131605-03-3 C12H19NO3
    5-(2-acetoxyethyl)-3-(2,2-dimethylvinyl)-5-methylisoxazoline
    —— 5,5'-thiophene-2,5-diylbismethylene-bis-pyrimidine-2,4,6-trione 1049-46-3 C14H8N4O6S
    5,5'-thiophene-2,5-diylbismethylene-bis-pyrimidine-2,4,6-trione
    —— 5-(trans-4-aminocyclohexyl)-1,3,4-oxadiazol-2(3H)-one 1398570-11-0 C8H13N3O2
    5-(trans-4-aminocyclohexyl)-1,3,4-oxadiazol-2(3H)-one
    —— 5α-Oestran-3α,17β-diol-17-acetat 97100-29-3 C20H32O3
    5α-Oestran-3α,17β-diol-17-acetat
    —— 5-(4-{3-[4-(3-chloro-phenyl)-piperazin-1-yl]-propyl}-phenyl)-7,8-diethoxy-1,3-dihydro-benzo[e][1,4]diazepin-2-one 1133428-45-1 C32H37ClN4O3
    5-(4-{3-[4-(3-chloro-phenyl)-piperazin-1-yl]-propyl}-phenyl)-7,8-diethoxy-1,3-dihydro-benzo[e][1,4]diazepin-2-one
    —— 5-Bromo-N-[4-(4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-1-yl)phenyl]-2-furancarboxamide 1197826-27-9 C16H10BrN5O3
    5-Bromo-N-[4-(4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-1-yl)phenyl]-2-furancarboxamide
    —— 5-(trimethylsilyl)pent-4-ynamide 1453502-84-5 C8H15NOSi
    5-(trimethylsilyl)pent-4-ynamide
    —— (5S)-6-nitro-5-methylhexan-3-one 1231746-66-9 C7H13NO3
    (5S)-6-nitro-5-methylhexan-3-one
    —— 5-N-Pyrrolidinyl-1-formyl-isochinolin 53760-93-3 C14H14N2O
    5-N-Pyrrolidinyl-1-formyl-isochinolin
    —— [5-(2-Chloro-phenyl)-naphthalen-1-yl]-acetic acid 4263-58-5 C18H13ClO2
    [5-(2-Chloro-phenyl)-naphthalen-1-yl]-acetic acid
    —— 5-(benzyloxy)-2-chlorobenzoyl chloride 1227152-74-0 C14H10Cl2O2
    5-(benzyloxy)-2-chlorobenzoyl chloride
    —— 5-(3-ethyl-hept-1-enyl)-3-methyl-4-nitro-isoxazole 1439213-80-5 C13H20N2O3
    5-(3-ethyl-hept-1-enyl)-3-methyl-4-nitro-isoxazole
    —— 5-bromo-9-azatricyclo[8.1.1.0<sup>2,7</sup>]dodeca-2,4,6-trien-8-one 1451085-14-5 C11H10BrNO
    5-bromo-9-azatricyclo[8.1.1.0<sup>2,7</sup>]dodeca-2,4,6-trien-8-one
    —— 5-(4-iodo-3,5-dimethylphenyl)-1-methylpyrimidin-2(1H)-one 1458655-48-5 C13H13IN2O
    5-(4-iodo-3,5-dimethylphenyl)-1-methylpyrimidin-2(1H)-one
    —— (5R)-1-chloro-5,6-bis(nitrooxy)hexyl propionate 1034454-46-0 C9H15ClN2O8
    (5R)-1-chloro-5,6-bis(nitrooxy)hexyl propionate
    —— 5-nitro-2-furaldehyde 2-(6-trifluoromethoxy-1,3-benzothiazole-2-yl)hydrazone 1374874-15-3 C13H7F3N4O4S
    5-nitro-2-furaldehyde 2-(6-trifluoromethoxy-1,3-benzothiazole-2-yl)hydrazone
    —— 5-[N-(3-morpholin-4-ylmethylphenyl)-N-methylamino-carbonyl]-3-propyl-6-hydroxy-1H-indazole 1001195-43-2 C23H28N4O3
    5-[N-(3-morpholin-4-ylmethylphenyl)-N-methylamino-carbonyl]-3-propyl-6-hydroxy-1H-indazole
    —— (5-bromo-3-(3-(methylthio)phenyl)-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)methyl acetate 1604802-04-1 C16H14BrN3O3S
    (5-bromo-3-(3-(methylthio)phenyl)-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)methyl acetate