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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,6-dihydro-6-(2-methoxyethoxymethyl)-4-acetamido-4H-thieno[2,3-b ]thiopyran-2-sulfonamide-7,7-dioxide 146949-97-5 C13H20N2O7S3
    5,6-dihydro-6-(2-methoxyethoxymethyl)-4-acetamido-4H-thieno[2,3-b ]thiopyran-2-sulfonamide-7,7-dioxide
    —— 5-Bromo-3-[N-(2-ethoxycarbonylamino)ethyl-N-phenyl]carbamoyl-1-propylpyridinium chloride 158267-07-3 C20H25BrN3O3*Cl
    5-Bromo-3-[N-(2-ethoxycarbonylamino)ethyl-N-phenyl]carbamoyl-1-propylpyridinium chloride
    —— 5-[(1R,S)-2-({2-[4-(2,2-difluoro-2-phenylethoxy)phenyl]-1,1-dimethyl-ethyl}amino)-1-hydroxyethyl]-8-hydroxyquinolin-2(1H)-one 1021156-23-9 C29H30F2N2O4
    5-[(1R,S)-2-({2-[4-(2,2-difluoro-2-phenylethoxy)phenyl]-1,1-dimethyl-ethyl}amino)-1-hydroxyethyl]-8-hydroxyquinolin-2(1H)-one
    —— 5-[2-({2-[(1R,S)-4-(2,2-difluoro-2-phenylethoxy)phenyl]ethyl}-amino)-1-hydroxyethyl]-8-hydroxyquinolin-2(1H)-one 1021155-94-1 C27H26F2N2O4
    5-[2-({2-[(1R,S)-4-(2,2-difluoro-2-phenylethoxy)phenyl]ethyl}-amino)-1-hydroxyethyl]-8-hydroxyquinolin-2(1H)-one
    —— [5-Chloro-2-(1-phenethyl-piperidin-4-ylamino)-phenyl]-phenyl-methanone; hydrochloride 93592-90-6 C26H27ClN2O*ClH
    [5-Chloro-2-(1-phenethyl-piperidin-4-ylamino)-phenyl]-phenyl-methanone; hydrochloride
    —— (5R,6R)-1,2,3-Tri-O-acetyl-1-C-(5-exo-hydroxymethylbicyclo<2.2.1>hept-2-en-6-endo-yl)-D-erythro-triol 161396-10-7 C17H24O7
    (5R,6R)-1,2,3-Tri-O-acetyl-1-C-(5-exo-hydroxymethylbicyclo<2.2.1>hept-2-en-6-endo-yl)-D-erythro-triol
    —— 5-azido-5-deoxy-1,2:3,4-di-O-isopropylidene-L-vibo-quercitol 861661-04-3 C12H19N3O4
    5-azido-5-deoxy-1,2:3,4-di-O-isopropylidene-L-vibo-quercitol
    —— (5Z,7E,22E)-(1S,3R)-1,3-bis[[dimethyl(1,1-dimethylethyl)silyl]oxy]-25-(2-butyl-1,3-dioxolan-2-yl)-26,27-cyclo-24a,24b-dihomo-9,10-secocholesta-5,7,10(19),22-tetraen-24-one 223108-24-5 C48H82O5Si2
    (5Z,7E,22E)-(1S,3R)-1,3-bis[[dimethyl(1,1-dimethylethyl)silyl]oxy]-25-(2-butyl-1,3-dioxolan-2-yl)-26,27-cyclo-24a,24b-dihomo-9,10-secocholesta-5,7,10(19),22-tetraen-24-one
    —— 5β,19-Cycloandrosta-1,6-dien-3,17-dion 38838-72-1 C19H22O2
    5β,19-Cycloandrosta-1,6-dien-3,17-dion
    —— 5-amino-N-benzyl-N-(benzyloxycarbonyl)-2-(4-methylphenyl)-2H-1,2,3-triazol-4-sulfonamide 948911-23-7 C24H23N5O4S
    5-amino-N-benzyl-N-(benzyloxycarbonyl)-2-(4-methylphenyl)-2H-1,2,3-triazol-4-sulfonamide
    —— (+/-)-5-(5-trimethylsilanylpent-4-ynyl)-1,7,8,8a-tetrahydrooxazolo[3,4-a]pyridin-3-one 351336-80-6 C15H23NO2Si
    (+/-)-5-(5-trimethylsilanylpent-4-ynyl)-1,7,8,8a-tetrahydrooxazolo[3,4-a]pyridin-3-one
    —— 5-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3-{[1-(4-dimethylamino-phenyl)-meth-(E)-ylidene]-amino}-thiazolidine-2,4-dione 18792-63-7 C21H22N4O2S
    5-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3-{[1-(4-dimethylamino-phenyl)-meth-(E)-ylidene]-amino}-thiazolidine-2,4-dione
    —— 5-acetamido-7,8,9-tri-O-acetyl-2,6-anhydro-4-[N'-(tertbutoxycarbonyl)thiourea]-3,4,5-trideoxy-D-glycero-D-galactonon-2-enonic acid methyl ester 1037587-60-2 C24H35N3O12S
    5-acetamido-7,8,9-tri-O-acetyl-2,6-anhydro-4-[N'-(tertbutoxycarbonyl)thiourea]-3,4,5-trideoxy-D-glycero-D-galactonon-2-enonic acid methyl ester
    —— 5'-bromo-2',4'-diisopropoxybenzyl 2-hydroxy-4-isopropoxyphenyl ketone 728911-70-4 C23H29BrO5
    5'-bromo-2',4'-diisopropoxybenzyl 2-hydroxy-4-isopropoxyphenyl ketone
    —— {5-chloro-6-(η6-hexamethylbenzene)-nido-RuB9H12} 136245-02-8 C12H30B9ClRu
    {5-chloro-6-(η6-hexamethylbenzene)-nido-RuB9H12}
    —— 5-(3-aminophenyl)-2'-deoxycytidine 5'-O-triphosphate 1026020-96-1 C15H21N4O13P3
    5-(3-aminophenyl)-2'-deoxycytidine 5'-O-triphosphate
    —— 5-methyl-9-butyryloxymethyl-12-benzyl-6,7,10,11-tetrahydro-6,10-imino-5H-cyclooct<b>indole 141804-40-2 C27H30N2O2
    5-methyl-9-butyryloxymethyl-12-benzyl-6,7,10,11-tetrahydro-6,10-imino-5H-cyclooct<b>indole
    —— 5-Propyl-cyclopentanon-3-carbonsaeure-2-essigsaeure 91353-36-5 C11H16O5
    5-Propyl-cyclopentanon-3-carbonsaeure-2-essigsaeure
    —— 5-Chlor-8-methoxy-isochinolin-N-oxid 1013-05-4 C10H8ClNO2
    5-Chlor-8-methoxy-isochinolin-N-oxid
    —— 5-<2-(3-Aethyl-benzoxazolin-(2)-yliden)-aethyliden>-4-<3-(3-aethyl-benzoxazolin-(2)-yliden)-propen-(1)-yl>-Δ<sup>3</sup>-thiazolon-(2) 95945-08-7 C26H23N3O3S
    5-<2-(3-Aethyl-benzoxazolin-(2)-yliden)-aethyliden>-4-<3-(3-aethyl-benzoxazolin-(2)-yliden)-propen-(1)-yl>-Δ<sup>3</sup>-thiazolon-(2)
    —— 5,5-bis-(4-methoxy-phenyl)-3-phenyl-dihydro-furan-2-one 114508-46-2 C24H22O4
    5,5-bis-(4-methoxy-phenyl)-3-phenyl-dihydro-furan-2-one
    —— (5-benzyl-[1,2,4]triazin-3-yl)-hydrazine 110337-01-4 C10H11N5
    (5-benzyl-[1,2,4]triazin-3-yl)-hydrazine
    —— 5(R)-isopropyl-8(S)-methylhydrind-3-en-2-ol 87001-46-5 C13H22O
    5(R)-isopropyl-8(S)-methylhydrind-3-en-2-ol
    —— 5-chloro-1,3-N,N'-bis-(6-deoxy-α-D-glucopyranos-6-yl)benzimidazol-2-one 869104-34-7 C19H25ClN2O11
    5-chloro-1,3-N,N'-bis-(6-deoxy-α-D-glucopyranos-6-yl)benzimidazol-2-one
    —— 5-Fluor-2,3,6-trichlor-diacetanilid 783-98-2 C10H7Cl3FNO2
    5-Fluor-2,3,6-trichlor-diacetanilid
    —— 5-Oxo-4-methyl-4-aethyl-5-phenyl-valeronitril 92250-08-3 C14H17NO
    5-Oxo-4-methyl-4-aethyl-5-phenyl-valeronitril
    —— 5-acetoxy-2-benzo[1,3]dioxol-5-yl-8-nitro-chromen-4-one 109590-56-9 C18H11NO8
    5-acetoxy-2-benzo[1,3]dioxol-5-yl-8-nitro-chromen-4-one
    —— 5-dodecyl-7,10-dimethyl-5H-benzo[b]carbazol-3-yl 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate 1407188-12-8 C34H38F9NO3S
    5-dodecyl-7,10-dimethyl-5H-benzo[b]carbazol-3-yl 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate
    —— 5-{[(3R,5S)-1,5-bis(benzyloxycarbonyl)pyrrolidine-3-yloxy]methyl}-3-dodecyl-1-methyl 3H-1,2,3-triazol-1-ium iodide 1207279-62-6 C36H51N4O5*I
    5-{[(3R,5S)-1,5-bis(benzyloxycarbonyl)pyrrolidine-3-yloxy]methyl}-3-dodecyl-1-methyl 3H-1,2,3-triazol-1-ium iodide
    —— 5-bromo-3-oxido-2-[4-(trifluoromethoxy)phenyl]-[1,2,3]triazolo[1,5-a]quinolinium inner salt 219948-81-9 C17H9BrF3N3O2
    5-bromo-3-oxido-2-[4-(trifluoromethoxy)phenyl]-[1,2,3]triazolo[1,5-a]quinolinium inner salt
    —— 5-(1,3-dioxolan-2-yl)-2-fluoropyridine 1034467-47-4 C8H8FNO2
    5-(1,3-dioxolan-2-yl)-2-fluoropyridine
    —— 5-[2-(2-(methylcarbamoyl)phenyl)phenyl]-3-phenyl-1,3,4-oxadiazol-2(3H)-one 1453118-35-8 C22H17N3O3
    5-[2-(2-(methylcarbamoyl)phenyl)phenyl]-3-phenyl-1,3,4-oxadiazol-2(3H)-one
    —— 5-chloro-4-methyl-3-phenylpent-1-en-3-ol 1392318-93-2 C12H15ClO
    5-chloro-4-methyl-3-phenylpent-1-en-3-ol
    —— 5-[3-(4-ethyl-morpholin-2-yl)-phenylsulfamoyl]-4-methoxy-thiophene-3-carboxylic acid methylester 1010383-99-9 C19H24N2O6S2
    5-[3-(4-ethyl-morpholin-2-yl)-phenylsulfamoyl]-4-methoxy-thiophene-3-carboxylic acid methylester
    —— 5-(4-pentyl-phenyl)-pyrimidine-2-carbonitrile 62934-84-3 C16H17N3
    5-(4-pentyl-phenyl)-pyrimidine-2-carbonitrile
    —— 5-cyano-4-methylseleno-2-(2-naphthyl)-1,3-thiazin-6-one 107428-01-3 C16H10N2OSSe
    5-cyano-4-methylseleno-2-(2-naphthyl)-1,3-thiazin-6-one
    —— 5-Phenylamino-4-propyl-2,4-dihydro-[1,2,4]triazole-3-thione 128763-58-6 C11H14N4S
    5-Phenylamino-4-propyl-2,4-dihydro-[1,2,4]triazole-3-thione
    —— 5-(2-(trifluoromethyl)benzyl)-1H-tetrazole 220429-74-3 C9H7F3N4
    5-(2-(trifluoromethyl)benzyl)-1H-tetrazole
    —— 5'-O-dimethoxytrityl-3'-O-(tert-butyldimethylsilyl)-5-methyl-2'-deoxy-α-cytidine 152581-55-0 C37H47N3O6Si
    5'-O-dimethoxytrityl-3'-O-(tert-butyldimethylsilyl)-5-methyl-2'-deoxy-α-cytidine
    —— 5-Methyl-5-nonyl-3-amino-hydantoin 1024-04-0 C13H25N3O2
    5-Methyl-5-nonyl-3-amino-hydantoin
    —— 5-(2,6-Dimethylphenyl)-2-methoxy-6-oxo-4,5,6,7-tetrahydro-1,3,5-thiadiazepine 109876-67-7 C13H16N2O2S
    5-(2,6-Dimethylphenyl)-2-methoxy-6-oxo-4,5,6,7-tetrahydro-1,3,5-thiadiazepine
    —— (5-tert-butyl-2H-pyrazol-3-yl)-[5-(5-methyl-1H-pyrrolo[2,3-b]pyridin-3-ylmethyl)-pyrimidin-2-yl]-amine 1344664-32-9 C20H23N7
    (5-tert-butyl-2H-pyrazol-3-yl)-[5-(5-methyl-1H-pyrrolo[2,3-b]pyridin-3-ylmethyl)-pyrimidin-2-yl]-amine
    —— 5-(3,3-dimethylbutyl)-5-methoxycarbonylhex-2-ynedioic acid dimethyl ester 852402-16-5 C16H24O6
    5-(3,3-dimethylbutyl)-5-methoxycarbonylhex-2-ynedioic acid dimethyl ester
    —— 5-(5-((1R,3s,5S)-8-(1H-1,2,4-triazole-3-carbonyl)-8-azabicyclo[3.2.1]octan-3-yl)-7-amino-6-(methylsulfonyl)pyrazolo[1,5-a]pyrimidin-3-yl)-N-methylpicolinamide 1319250-53-7 C24H26N10O4S
    5-(5-((1R,3s,5S)-8-(1H-1,2,4-triazole-3-carbonyl)-8-azabicyclo[3.2.1]octan-3-yl)-7-amino-6-(methylsulfonyl)pyrazolo[1,5-a]pyrimidin-3-yl)-N-methylpicolinamide
    —— 5-(4-Methoxybenzoyloxy)-2,2-dimethyl-1,3-dioxan-4,6-dion 75307-70-9 C14H14O7
    5-(4-Methoxybenzoyloxy)-2,2-dimethyl-1,3-dioxan-4,6-dion
    —— 5-(((tert-butyldimethylsilyl)oxy)methyl)-3-phenyl-1,2,4-oxadiazole 1544566-39-3 C15H22N2O2Si
    5-(((tert-butyldimethylsilyl)oxy)methyl)-3-phenyl-1,2,4-oxadiazole
    —— 5-methylbenzene-1,3-dicarbaldehyde bis-(p-tolylsulphonylhydrazone) 74126-23-1 C23H24N4O4S2
    5-methylbenzene-1,3-dicarbaldehyde bis-(p-tolylsulphonylhydrazone)
    —— <(5-bromo-3-pentynyl)oxy>(1,1-dimethylethyl)dimethylsilane 234080-43-4 C11H21BrOSi
    <(5-bromo-3-pentynyl)oxy>(1,1-dimethylethyl)dimethylsilane
    —— 5-(2-Adamantan-1-yl-ethyl)-2-bicyclo[2.2.2]oct-1-yl-1H-imidazole-4-carboxylic acid ethyl ester 869997-13-7 C26H38N2O2
    5-(2-Adamantan-1-yl-ethyl)-2-bicyclo[2.2.2]oct-1-yl-1H-imidazole-4-carboxylic acid ethyl ester
    —— 5-(4-(2,3-dihydro-4-(pyrimidin-5-yl)-1H-inden-1-yloxy)phenyl)-3-(methoxymethoxy)isoxazole 1294453-47-6 C24H21N3O4
    5-(4-(2,3-dihydro-4-(pyrimidin-5-yl)-1H-inden-1-yloxy)phenyl)-3-(methoxymethoxy)isoxazole