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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Butyl-2-isobutyramidobenzimidazol 17228-35-2 C15H21N3O
    5-Butyl-2-isobutyramidobenzimidazol
    —— 5-(β-Brom-allyl)-5-myristyl-2-thiobarbitursaeure 17709-73-8 C21H35BrN2O2S
    5-(β-Brom-allyl)-5-myristyl-2-thiobarbitursaeure
    —— 5-Bromo-6-(diethoxy-thiophosphoryloxy)-2,4-dimethyl-nicotinic acid methyl ester 64948-99-8 C13H19BrNO5PS
    5-Bromo-6-(diethoxy-thiophosphoryloxy)-2,4-dimethyl-nicotinic acid methyl ester
    —— 5-benzhydryl-1-(4-chloro-phenyl)-1<i>H</i>-tetrazole 72306-41-3 C20H15ClN4
    5-benzhydryl-1-(4-chloro-phenyl)-1<i>H</i>-tetrazole
    —— 5-hydroxy-pentadec-6-yn-2-one 58193-50-3 C15H26O2
    5-hydroxy-pentadec-6-yn-2-one
    —— 5-(2,4,4-trimethyl-1-tosylpyrrolidin-2-yl)pentan-2-one 1307917-02-7 C19H29NO3S
    5-(2,4,4-trimethyl-1-tosylpyrrolidin-2-yl)pentan-2-one
    —— 5α,6α-dihydroxyandrost-2-en-17-one 32307-95-2 C19H28O3
    5α,6α-dihydroxyandrost-2-en-17-one
    —— 5-{[N-(4-Nitro-phenyl)-morpholine-4-carboximidoyl]-amino}-3,4-diphenyl-thieno[2,3-c]pyridazine-6-carboxylic acid ethyl ester 194546-78-6 C32H28N6O5S
    5-{[N-(4-Nitro-phenyl)-morpholine-4-carboximidoyl]-amino}-3,4-diphenyl-thieno[2,3-c]pyridazine-6-carboxylic acid ethyl ester
    —— 5-p-Iodphenylazo-tropolon 33244-16-5 C13H9IN2O2
    5-p-Iodphenylazo-tropolon
    —— 5-(5-bromo-furan-2-yl)-2<i>H</i>-pyrazole-3,4-dione 4-oxime 3199-57-3 C7H4BrN3O3
    5-(5-bromo-furan-2-yl)-2<i>H</i>-pyrazole-3,4-dione 4-oxime
    —— 5,7-dimethyl-2-[(5-(2-methylbenzylthio)-4-phenyl-4H-1,2,4-triazol-3-yl)methylthio]-[1,2,4]triazolo[1,5-α]pyrimidine 1265575-87-8 C24H23N7S2
    5,7-dimethyl-2-[(5-(2-methylbenzylthio)-4-phenyl-4H-1,2,4-triazol-3-yl)methylthio]-[1,2,4]triazolo[1,5-α]pyrimidine
    —— 5-iodo-2,2-dimethyl-6,7,8,8a-tetrahydro-2H-chromen-4(3H)-one 1189544-20-4 C11H15IO2
    5-iodo-2,2-dimethyl-6,7,8,8a-tetrahydro-2H-chromen-4(3H)-one
    —— 5-(2-Hydroxy-ethyl)-3,4,7,8,9,10-hexahydro-1,6(2H,5H)-phenanthridinedione 125905-14-8 C15H19NO3
    5-(2-Hydroxy-ethyl)-3,4,7,8,9,10-hexahydro-1,6(2H,5H)-phenanthridinedione
    —— 5-(tert-butyldimethylsilyl)-3-methyl-1-phenylpent-4-yn-1-one 1357026-77-7 C18H26OSi
    5-(tert-butyldimethylsilyl)-3-methyl-1-phenylpent-4-yn-1-one
    —— 5-[(5-tert-butyltetrazol-2-yl)methyl]-2-(3-chloropyridin-2-yl)-N-[4-cyano-2-methyl-6-(methylcarbamoyl)phenyl]pyrazole-3-carboxamide 1229655-55-3 C25H25ClN10O2
    5-[(5-tert-butyltetrazol-2-yl)methyl]-2-(3-chloropyridin-2-yl)-N-[4-cyano-2-methyl-6-(methylcarbamoyl)phenyl]pyrazole-3-carboxamide
    —— 5-(5-bromothiophen-2-yl)-1-(2,4-dichlorophenyl)-4-methyl-N-(3-(pentafluoro-λ6-sulfanyl)phenyl)-1H-pyrazole-3-carboxamide 1627941-78-9 C21H13BrCl2F5N3OS2
    5-(5-bromothiophen-2-yl)-1-(2,4-dichlorophenyl)-4-methyl-N-(3-(pentafluoro-λ6-sulfanyl)phenyl)-1H-pyrazole-3-carboxamide
    —— 5-<2,3-di-O-acetyl-5-deoxy-4-(1H-1,2,4-triazol-1-yl)-β-D-ribofuranosyl>-1,3-dimethyluracil 116700-67-5 C17H21N5O7
    5-<2,3-di-O-acetyl-5-deoxy-4-(1H-1,2,4-triazol-1-yl)-β-D-ribofuranosyl>-1,3-dimethyluracil
    —— (5β)-spiro[pregnane-3,2'-thiazolidine]-11,20-dione 101035-41-0 C23H35NO2S
    (5β)-spiro[pregnane-3,2'-thiazolidine]-11,20-dione
    —— 5-O-methyl 4-O-trimethylsilyl (4S,5S)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate 104832-17-9 C11H20O6Si
    5-O-methyl 4-O-trimethylsilyl (4S,5S)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate
    —— 5-Fluoro-1-[[4-(3-methylpyrazol-1-yl)phenyl]methyl]-4-oxoquinoline-3-carboxylic acid 1207998-45-5 C21H16FN3O3
    5-Fluoro-1-[[4-(3-methylpyrazol-1-yl)phenyl]methyl]-4-oxoquinoline-3-carboxylic acid
    —— 5-(1-Acetoxy-2-methoxycarbonyl-allyl)-3-(4-chloro-phenyl)-isoxazole-4-carboxylic acid methyl ester 811446-67-0 C18H16ClNO7
    5-(1-Acetoxy-2-methoxycarbonyl-allyl)-3-(4-chloro-phenyl)-isoxazole-4-carboxylic acid methyl ester
    —— 5,5'-di(1,3-dioxolan-2-yl)-2,2'-bipyridine 1429408-43-4 C16H16N2O4
    5,5'-di(1,3-dioxolan-2-yl)-2,2'-bipyridine
    —— 5-Methyl-3-phenyl-isoxazole-4-carboxylic acid (7-benzyloxy-4-hydroxy-8-methyl-2-oxo-2H-chromen-3-yl)-amide 90539-22-3 C28H22N2O6
    5-Methyl-3-phenyl-isoxazole-4-carboxylic acid (7-benzyloxy-4-hydroxy-8-methyl-2-oxo-2H-chromen-3-yl)-amide
    —— (5E,9E)-16-anilino-7,8-dihydro-16λ5-dibenzo[d,l]-[1,3,7,10,2]dioxadiazaphosphacyclotridecin-16-one 1383608-83-0 C22H20N3O3P
    (5E,9E)-16-anilino-7,8-dihydro-16λ5-dibenzo[d,l]-[1,3,7,10,2]dioxadiazaphosphacyclotridecin-16-one
    —— 5-ethyl-2-dimethylcarbamoyl-octahydro-cyclopenta[c]pyrrole-5-carbonyl azide 1175536-33-0 C13H21N5O2
    5-ethyl-2-dimethylcarbamoyl-octahydro-cyclopenta[c]pyrrole-5-carbonyl azide
    —— 5,11,17,23-tetra-tert-butyl-25,27-bis(2-pyridylmethoxy)-26,28-dibutoxycalix[4]arene 855759-31-8 C64H82N2O4
    5,11,17,23-tetra-tert-butyl-25,27-bis(2-pyridylmethoxy)-26,28-dibutoxycalix[4]arene
    —— 5-Nitro-3-carboxyphenylessigsaeureamid 40590-56-5 C9H8N2O5
    5-Nitro-3-carboxyphenylessigsaeureamid
    —— 5-[4,6-bis-(2-methyl-anilino)-[1,3,5]triazin-2-yl]-pyrimidine-2,4,6-trione 70928-10-8 C21H19N7O3
    5-[4,6-bis-(2-methyl-anilino)-[1,3,5]triazin-2-yl]-pyrimidine-2,4,6-trione
    —— 5-Formyl-2-phenoxy-3-(2-pyridin-4-yl-ethylamino)-benzenesulfonamide 62274-15-1 C20H19N3O4S
    5-Formyl-2-phenoxy-3-(2-pyridin-4-yl-ethylamino)-benzenesulfonamide
    —— (5R,9R,11E)-5-(3-hydroxyphenylmethylidenylamino)-11-ethylidene-5,6,9,10-tetrahydro-7-methyl-5,9-methanocycloocta[b]pyridin-2(1H)-one 923272-95-1 C22H22N2O2
    (5R,9R,11E)-5-(3-hydroxyphenylmethylidenylamino)-11-ethylidene-5,6,9,10-tetrahydro-7-methyl-5,9-methanocycloocta[b]pyridin-2(1H)-one
    —— 5-bromo-2-(4-fluoro-phenyl)-1-methyl-4-nitro-1<i>H</i>-imidazole 41604-90-4 C10H7BrFN3O2
    5-bromo-2-(4-fluoro-phenyl)-1-methyl-4-nitro-1<i>H</i>-imidazole
    —— 5-amino-1-(2-deoxy-3,5-di-O-tert-butyldimethylsilyl-β-D-ribofuranosyl)imidazole-4-carboxamide 170871-02-0 C21H42N4O4Si2
    5-amino-1-(2-deoxy-3,5-di-O-tert-butyldimethylsilyl-β-D-ribofuranosyl)imidazole-4-carboxamide
    —— [5-(3-benzofuran-2-yl-phenyl)-1,4-dimethyl-1H-pyrazol-3-yl]-[4-(2-methoxy-ethyl)-piperazin-1-yl]-methanone 1107656-41-6 C27H30N4O3
    [5-(3-benzofuran-2-yl-phenyl)-1,4-dimethyl-1H-pyrazol-3-yl]-[4-(2-methoxy-ethyl)-piperazin-1-yl]-methanone
    —— (5R,10S)-2-(3,5-bis(trifluoromethyl)phenyl)-10-fluoro-1,6-dioxa-3-azaspiro[4.5]dec-2-ene 1359180-39-4 C15H12F7NO2
    (5R,10S)-2-(3,5-bis(trifluoromethyl)phenyl)-10-fluoro-1,6-dioxa-3-azaspiro[4.5]dec-2-ene
    —— (5-amino-2-cyanobenzyl)carbamic acid 2-trimethylsilanylethyl ester 1134561-07-1 C14H21N3O2Si
    (5-amino-2-cyanobenzyl)carbamic acid 2-trimethylsilanylethyl ester
    —— 5-isobutyl-2-[(2-methylphenyl)amino]-1,3-oxazol-4(5H)-one 870708-15-9 C14H18N2O2
    5-isobutyl-2-[(2-methylphenyl)amino]-1,3-oxazol-4(5H)-one
    —— 5-tert-butyl-2-(3-dimethylaminomethylphenyl)-2H-pyrazol-3-ylamine 898538-00-6 C16H24N4
    5-tert-butyl-2-(3-dimethylaminomethylphenyl)-2H-pyrazol-3-ylamine
    —— 5-chloro-N-[2-(4-chloro-phenyl)-ethyl]-2-(cyanomethyl-amino)-N-(4-cyclopropyl-benzyl)-benzamide 946117-75-5 C27H25Cl2N3O
    5-chloro-N-[2-(4-chloro-phenyl)-ethyl]-2-(cyanomethyl-amino)-N-(4-cyclopropyl-benzyl)-benzamide
    —— 5-chloro-2-(cyanomethyl-amino)-N-[4-(1-methoxy-cyclopropyl)-benzyl]-N-[2-(3-trifluoromethoxy-phenyl)-ethyl]-benzamide 946117-99-3 C29H27ClF3N3O3
    5-chloro-2-(cyanomethyl-amino)-N-[4-(1-methoxy-cyclopropyl)-benzyl]-N-[2-(3-trifluoromethoxy-phenyl)-ethyl]-benzamide
    —— 5-(acridin-9-ylamino-methyl)-3-ethyl-2-methyl-1,5,6,7-tetrahydro-indol-4-one 22957-07-9 C25H25N3O
    5-(acridin-9-ylamino-methyl)-3-ethyl-2-methyl-1,5,6,7-tetrahydro-indol-4-one
    —— 5,8-diacetoxy-2,3-dihydrospironaphthalene-1,21-naphtho[1,8-de][1,3]dioxine-4-one 524047-46-9 C24H18O7
    5,8-diacetoxy-2,3-dihydrospironaphthalene-1,21-naphtho[1,8-de][1,3]dioxine-4-one
    —— 5-(2-Methoxyethyl)-4-methyl-1,2,3-thiadiazol 77208-02-7 C6H10N2OS
    5-(2-Methoxyethyl)-4-methyl-1,2,3-thiadiazol
    —— 5-(2,6-diisopropylphenoxy)-(1H)-tetrazole 1330080-60-8 C13H18N4O
    5-(2,6-diisopropylphenoxy)-(1H)-tetrazole
    —— 5-hydroxy-7-phenyl-2-(phenylseleno)-6-heptynyl methyl carbonate 163772-76-7 C21H22O4Se
    5-hydroxy-7-phenyl-2-(phenylseleno)-6-heptynyl methyl carbonate
    —— 5-[(2S)-2-(benzyloxy)propyl]-1-[2-(difluoromethoxy)-4-fluorophenyl]-2-methyl-N-[3-chloro-4-(methylsulfonyl)phenyl]-1H-pyrrole-3-carboxamide 1221425-46-2 C30H28ClF3N2O5S
    5-[(2S)-2-(benzyloxy)propyl]-1-[2-(difluoromethoxy)-4-fluorophenyl]-2-methyl-N-[3-chloro-4-(methylsulfonyl)phenyl]-1H-pyrrole-3-carboxamide
    —— 5-(((4-(5-(hydroxymethyl)isoxazol-3-yl)phenyl)imino)methyl)benzene-1,2,3-triol 1242298-96-9 C17H14N2O5
    5-(((4-(5-(hydroxymethyl)isoxazol-3-yl)phenyl)imino)methyl)benzene-1,2,3-triol
    —— <5,5-2H2>-1,2-oxathiolane 90214-00-9 C3H6OS
    <5,5-2H2>-1,2-oxathiolane
    —— 5-<p-Tolyl-sulfamoyl>-pentylamin 35493-92-6 C12H20N2O2S
    5-<p-Tolyl-sulfamoyl>-pentylamin
    —— 5-Ethoxycarbonyl-2,3-diphenyl-tetrazolium-bromid 6165-67-9 Br*C16H15N4O2
    5-Ethoxycarbonyl-2,3-diphenyl-tetrazolium-bromid
    —— 5-Methoxy-3-methyl-2-(triethylgermyl)-pent-1-en-3-ol 34943-39-0 C13H28GeO2
    5-Methoxy-3-methyl-2-(triethylgermyl)-pent-1-en-3-ol