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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-methyl-A-nor-5α-cholestan-2-one 34186-05-5 C27H46O
    5-methyl-A-nor-5α-cholestan-2-one
    —— [5-(2,5-Dichloro-phenoxymethyl)-[1,3,4]oxadiazol-2-yl]-phenyl-amine 40056-74-4 C15H11Cl2N3O2
    [5-(2,5-Dichloro-phenoxymethyl)-[1,3,4]oxadiazol-2-yl]-phenyl-amine
    —— 5-(4-acetylaminophenyl)-N-[(3R)-6-methyl-1-azabicyclo[2.2.2]oct-3-yl]-1,3-thiazole-2-carboxamide 524697-86-7 C20H24N4O2S
    5-(4-acetylaminophenyl)-N-[(3R)-6-methyl-1-azabicyclo[2.2.2]oct-3-yl]-1,3-thiazole-2-carboxamide
    —— 5-(4-methoxy-phenyl)-6-methyl-4,5-dihydro-2<i>H</i>-pyridazin-3-one 35991-34-5 C12H14N2O2
    5-(4-methoxy-phenyl)-6-methyl-4,5-dihydro-2<i>H</i>-pyridazin-3-one
    —— 5-indol-3-ylmethyl-3-[4-(1-oxo-3-phenyl-inden-2-yl)-phenyl]-2-thioxo-imidazolidin-4-one 42353-13-9 C33H23N3O2S
    5-indol-3-ylmethyl-3-[4-(1-oxo-3-phenyl-inden-2-yl)-phenyl]-2-thioxo-imidazolidin-4-one
    —— 5-(1-Phenyl-2-benzoyl-vinylamino)-1-p-toluolsulfonylpyrazol 35149-42-9 C25H21N3O3S
    5-(1-Phenyl-2-benzoyl-vinylamino)-1-p-toluolsulfonylpyrazol
    —— 5-(4-methoxy-phenyl)-6-propyl-4,5-dihydro-2<i>H</i>-[1,2,4]triazin-3-one 30131-81-8 C13H17N3O2
    5-(4-methoxy-phenyl)-6-propyl-4,5-dihydro-2<i>H</i>-[1,2,4]triazin-3-one
    —— 5-benzhydryl-3-methyl-2-phenyl-5-piperidin-1-ylmethyl-3,5-dihydro-imidazol-4-one 34929-98-1 C29H31N3O
    5-benzhydryl-3-methyl-2-phenyl-5-piperidin-1-ylmethyl-3,5-dihydro-imidazol-4-one
    —— ((5,5-dimethyl-3-(p-tolyl)-4,5-dihydrofuran-2-yl)oxy)trimethylsilane 1342897-15-7 C16H24O2Si
    ((5,5-dimethyl-3-(p-tolyl)-4,5-dihydrofuran-2-yl)oxy)trimethylsilane
    —— 5-(2,4-dimethyl-phenoxymethyl)-3-(diphenylamino-methyl)-3H-[1,3,4]oxadiazole-2-thione 72385-15-0 C24H23N3O2S
    5-(2,4-dimethyl-phenoxymethyl)-3-(diphenylamino-methyl)-3H-[1,3,4]oxadiazole-2-thione
    —— 5-[4-(tert-butoxycarbonylmethoxy)phenyl]dipyrromethane 892872-10-5 C21H24N2O3
    5-[4-(tert-butoxycarbonylmethoxy)phenyl]dipyrromethane
    —— 5-(4-dimethylamino-benzylidene)-3-(5-phenyl-[1,3,4]oxadiazol-2-yl)-2-thioxo-thiazolidin-4-one 62329-62-8 C20H16N4O2S2
    5-(4-dimethylamino-benzylidene)-3-(5-phenyl-[1,3,4]oxadiazol-2-yl)-2-thioxo-thiazolidin-4-one
    —— 5-(4-cyclohexyl-piperazin-1-yl)-5-oxo-2-[2-oxo-3-(2-oxo-4-phenyl-oxazolidin-3-yl)-4-styryl-azetidin-1-yl]-pentanoic acid tert-butyl ester 512785-18-1 C39H50N4O6
    5-(4-cyclohexyl-piperazin-1-yl)-5-oxo-2-[2-oxo-3-(2-oxo-4-phenyl-oxazolidin-3-yl)-4-styryl-azetidin-1-yl]-pentanoic acid tert-butyl ester
    —— 5-[2-fluoro-4-(1-hydroxy-1-methylethyl)phenyl]-2-[(6-(((1,3-dimethyl-1H-pyrazol-5-yl)methoxy)methyl)pyridin-2-yl)amino]thiophene-3-carboxamide 1093874-17-9 C26H28FN5O3S
    5-[2-fluoro-4-(1-hydroxy-1-methylethyl)phenyl]-2-[(6-(((1,3-dimethyl-1H-pyrazol-5-yl)methoxy)methyl)pyridin-2-yl)amino]thiophene-3-carboxamide
    —— 5-Tert-butyl-2-azabicyclo[2.2.0]hex-5-en-3-one 127838-53-3 C9H13NO
    5-Tert-butyl-2-azabicyclo[2.2.0]hex-5-en-3-one
    —— 5-amino-1-methyl-4-phenyl-1<i>H</i>-imidazole-2-carboxylic acid ethyl ester 73185-74-7 C13H15N3O2
    5-amino-1-methyl-4-phenyl-1<i>H</i>-imidazole-2-carboxylic acid ethyl ester
    —— 5-(4-hydroxy-3-fluorophenyl)-3-(1-methyl-2-pyrrolidinyl)pyridine fumarate 198418-38-1 C4H4O4*C16H17FN2O
    5-(4-hydroxy-3-fluorophenyl)-3-(1-methyl-2-pyrrolidinyl)pyridine fumarate
    —— 5-(4-Methoxyphenyl)-3-(1-methyl-2-pyrrolidinyl)pyridine Fumarate 179120-26-4 C4H4O4*C17H20N2O
    5-(4-Methoxyphenyl)-3-(1-methyl-2-pyrrolidinyl)pyridine Fumarate
    —— 5-(4-chloro-benzyl)-2-(4-chloro-phenyl)-pyrimidine-4,6-diamine 72139-32-3 C17H14Cl2N4
    5-(4-chloro-benzyl)-2-(4-chloro-phenyl)-pyrimidine-4,6-diamine
    —— 5-Oxo-1-(3,3,3-trifluoro-2-hydroxy-2-methylpropanoylamino)-6,11-dihydrodibenzo[b,e]thiepin-11-one 189820-88-0 C18H14F3NO4S
    5-Oxo-1-(3,3,3-trifluoro-2-hydroxy-2-methylpropanoylamino)-6,11-dihydrodibenzo[b,e]thiepin-11-one
    —— 5-acetamido-1-(5-chloro-2-nitrophenyl)-3-methylpyrazole 75519-34-5 C12H11ClN4O3
    5-acetamido-1-(5-chloro-2-nitrophenyl)-3-methylpyrazole
    —— 5-(1-(4-tert-butyldimethylsilyloxyphenyl)-1,2,3-triazol-4-yl)-5'-(4,4'-dimethoxytrityl)-3'-O-(P-(2-cyanoethoxy)-N,N-diisopropylaminophosphinyl)-2'-deoxyuridine 1146145-11-0 C53H66N7O9PSi
    5-(1-(4-tert-butyldimethylsilyloxyphenyl)-1,2,3-triazol-4-yl)-5'-(4,4'-dimethoxytrityl)-3'-O-(P-(2-cyanoethoxy)-N,N-diisopropylaminophosphinyl)-2'-deoxyuridine
    —— 5-benzyloxy-4-methyl-2,6-bis(thiophen-2-yl)pyrimidine 1229662-25-2 C20H16N2OS2
    5-benzyloxy-4-methyl-2,6-bis(thiophen-2-yl)pyrimidine
    —— 5-(4-Nitro-phenyl)-N'-phenyl-pyrimidine-2,4,6-triamine 124392-39-8 C16H14N6O2
    5-(4-Nitro-phenyl)-N'-phenyl-pyrimidine-2,4,6-triamine
    —— (5E,9E)-16-(3-chloro-4-fluoroanilino)-7,8-dihydro-16λ5-dibenzo[d,l][1,3,7,10,2]dioxadiazaphosphacyclotridecin-16-one 1383608-87-4 C22H18ClFN3O3P
    (5E,9E)-16-(3-chloro-4-fluoroanilino)-7,8-dihydro-16λ5-dibenzo[d,l][1,3,7,10,2]dioxadiazaphosphacyclotridecin-16-one
    —— 5-Methyl-2-pentyl-Δ<sup>2</sup>-thiazolin 21226-54-0 C9H17NS
    5-Methyl-2-pentyl-Δ<sup>2</sup>-thiazolin
    —— 5-oxo-3-pyridin-3-yl-pyrrolidine-2,2-dicarboxylic acid monoethyl ester 31167-98-3 C13H14N2O5
    5-oxo-3-pyridin-3-yl-pyrrolidine-2,2-dicarboxylic acid monoethyl ester
    —— 5-(5-<i>tert</i>-butoxycarbonyl-3-ethyl-4-methyl-pyrrol-2-ylmethyl)-3-methyl-pyrrole-2,4-dicarboxylic acid 2-benzyl ester 4-methyl ester 31963-70-9 C28H34N2O6
    5-(5-<i>tert</i>-butoxycarbonyl-3-ethyl-4-methyl-pyrrol-2-ylmethyl)-3-methyl-pyrrole-2,4-dicarboxylic acid 2-benzyl ester 4-methyl ester
    —— 5'-<i>p</i>-tolyl-1'<i>H</i>-[1,3']bi[[1,2,4]triazolyl]-3,5-diamine 38767-46-3 C11H12N8
    5'-<i>p</i>-tolyl-1'<i>H</i>-[1,3']bi[[1,2,4]triazolyl]-3,5-diamine
    —— 5-(4-chloro-benzenesulfonyl)-1,2,4,6-tetramethyl-2,5-diaza-bicyclo[2.2.0]hexan-3-one 38052-28-7 C14H17ClN2O3S
    5-(4-chloro-benzenesulfonyl)-1,2,4,6-tetramethyl-2,5-diaza-bicyclo[2.2.0]hexan-3-one
    —— 5,6-dichloro-2-(2,4,6-trimethyl-benzyl)-3<i>H</i>-pyrimidin-4-one 32250-17-2 C14H14Cl2N2O
    5,6-dichloro-2-(2,4,6-trimethyl-benzyl)-3<i>H</i>-pyrimidin-4-one
    —— 5-Nitro-2-pyridylpyridinium 46415-13-8 C10H8N3O2
    5-Nitro-2-pyridylpyridinium
    —— 5,5'-Dichlordifuroylperoxid 31991-50-1 C10H4Cl2O6
    5,5'-Dichlordifuroylperoxid
    —— {5-[5-(3-trifluoromethyl-phenyl)-pyridine-2-sulfonylamino]-5,6,7,8-tetrahydro-naphthalen-1-yloxy}-acetic acid 1208101-04-5 C24H21F3N2O5S
    {5-[5-(3-trifluoromethyl-phenyl)-pyridine-2-sulfonylamino]-5,6,7,8-tetrahydro-naphthalen-1-yloxy}-acetic acid
    —— 5-azido-5-deoxy-3-O-methyl-D-xylono-1,4-lactone 1044509-40-1 C6H9N3O4
    5-azido-5-deoxy-3-O-methyl-D-xylono-1,4-lactone
    —— 5-(4-chlorophenyl)-1-(phenylsulfonyl)-1,2,3,4-tetrahydropyridine 1416908-60-5 C17H16ClNO2S
    5-(4-chlorophenyl)-1-(phenylsulfonyl)-1,2,3,4-tetrahydropyridine
    —— 5-methyl-7-(3-(methylamino)pyrrolidin-1-yl)-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid trifluoroacetic acid salt 635306-92-2 C2HF3O2*C15H18N4O3
    5-methyl-7-(3-(methylamino)pyrrolidin-1-yl)-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid trifluoroacetic acid salt
    —— 5-Isopropyl-pyridine-2-sulfonic acid [6-(3-amino-propoxy)-5-(2-methoxy-phenoxy)-2-morpholin-4-yl-pyrimidin-4-yl]-amide 556067-15-3 C26H34N6O6S
    5-Isopropyl-pyridine-2-sulfonic acid [6-(3-amino-propoxy)-5-(2-methoxy-phenoxy)-2-morpholin-4-yl-pyrimidin-4-yl]-amide
    —— 5-[1-(3,5-Dichloro-phenyl)-meth-(E)-ylidene]-3-hydroxy-2-methyl-3,5-dihydro-imidazol-4-one 136809-81-9 C11H8Cl2N2O2
    5-[1-(3,5-Dichloro-phenyl)-meth-(E)-ylidene]-3-hydroxy-2-methyl-3,5-dihydro-imidazol-4-one
    —— (5R,9R,13R,17R,21S)-2,2,5,9,13,17-hexamethyl-7,11,15,19-tetraoxo-3,3-diphenyl-21-(trifluoromethyl)-4,8,12,16,20-pentaoxa-3-silatricosan-23-oic acid 819852-34-1 C36H47F3O11Si
    (5R,9R,13R,17R,21S)-2,2,5,9,13,17-hexamethyl-7,11,15,19-tetraoxo-3,3-diphenyl-21-(trifluoromethyl)-4,8,12,16,20-pentaoxa-3-silatricosan-23-oic acid
    —— 5-(4-Nitro-phenyl)-6-(S)-tetrahydro-furan-2-yl-pyrimidine-2,4-diamine 885040-85-7 C14H15N5O3
    5-(4-Nitro-phenyl)-6-(S)-tetrahydro-furan-2-yl-pyrimidine-2,4-diamine
    —— (5-propylsulfanyl-[1,3,4]thiadiazol-2-yl)-dithiocarbamic acid ethyl ester 54508-76-8 C8H13N3S4
    (5-propylsulfanyl-[1,3,4]thiadiazol-2-yl)-dithiocarbamic acid ethyl ester
    —— 5,17-di-tert-butyl-11,23-dichloro-4,6,16,18-tetramethyl-25,26,27,28-tetrahydroxycalix<4>arene 137718-35-5 C40H46Cl2O4
    5,17-di-tert-butyl-11,23-dichloro-4,6,16,18-tetramethyl-25,26,27,28-tetrahydroxycalix<4>arene
    —— 5,8-di-tert-butylthieno[2',3':4,5]thieno[2,3-d]pyridazine 1268375-74-1 C16H20N2S2
    5,8-di-tert-butylthieno[2',3':4,5]thieno[2,3-d]pyridazine
    —— 5-hydroxyimino-2-isopropylidenehydrazono-2,3-dihydrothiazole 76562-29-3 C7H10N4OS
    5-hydroxyimino-2-isopropylidenehydrazono-2,3-dihydrothiazole
    —— 5-methylamino-3-phenyl-imidazole-2,4-dione 73185-57-6 C10H9N3O2
    5-methylamino-3-phenyl-imidazole-2,4-dione
    —— 5-(Cyclohexylamino)-6-ethyl-3-(3-methylsulfonylanilino)pyrazine-2-carboxamide 1254049-81-4 C20H27N5O3S
    5-(Cyclohexylamino)-6-ethyl-3-(3-methylsulfonylanilino)pyrazine-2-carboxamide
    —— 5-{3-phenyl-7-[(1-phenylcyclobutyl)carbamoyl]quinoxalin-2-yl}pentanoic acid 1383693-27-3 C30H29N3O3
    5-{3-phenyl-7-[(1-phenylcyclobutyl)carbamoyl]quinoxalin-2-yl}pentanoic acid
    —— 5-amino-4-(N,N-diethylamino)-6-mercaptopyrimidine 155082-13-6 C8H14N4S
    5-amino-4-(N,N-diethylamino)-6-mercaptopyrimidine
    —— 5-(benzo[d][1,3]dioxol-5-yl)-N-cyclohexylpyrimidin-2-amine 1229184-08-0 C17H19N3O2
    5-(benzo[d][1,3]dioxol-5-yl)-N-cyclohexylpyrimidin-2-amine