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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Oxo-5-phenyl-pentanoic acid [2-(1H-indol-3-yl)-1-methyl-ethyl]-amide 24009-52-7 C22H24N2O2
    5-Oxo-5-phenyl-pentanoic acid [2-(1H-indol-3-yl)-1-methyl-ethyl]-amide
    —— 5-Acetyl-3-iso-pentyl-N-(β-hydroxyethyl)-pyrrolid-2-on 26232-57-5 C13H23NO3
    5-Acetyl-3-iso-pentyl-N-(β-hydroxyethyl)-pyrrolid-2-on
    —— <5-Nitro-pyridyl-(2)>-(2,4,6-trimethyl-phenyl)-disulfid 24367-39-3 C14H14N2O2S2
    <5-Nitro-pyridyl-(2)>-(2,4,6-trimethyl-phenyl)-disulfid
    —— 5,8-dimethyl-2-phenyl-8,8a-dihydro-5<i>H</i>-imidazo[1,5-<i>a</i>]pyridine-1,3-dione 74033-54-8 C15H16N2O2
    5,8-dimethyl-2-phenyl-8,8a-dihydro-5<i>H</i>-imidazo[1,5-<i>a</i>]pyridine-1,3-dione
    —— 5-{4-amino-3-[(5-methoxy-1,3-dimethyl-2,4,6-trioxo-hexahydro-pyrimidin-5-yl)-acetyl]-phenyl}-5-methoxy-1,3-dimethyl-pyrimidine-2,4,6-trione 28458-91-5 C22H25N5O9
    5-{4-amino-3-[(5-methoxy-1,3-dimethyl-2,4,6-trioxo-hexahydro-pyrimidin-5-yl)-acetyl]-phenyl}-5-methoxy-1,3-dimethyl-pyrimidine-2,4,6-trione
    —— 5,5-dichloro-6-ethoxy-6-trifluoromethyl-dihydro-pyrimidine-2,4-dione 34934-12-8 C7H7Cl2F3N2O3
    5,5-dichloro-6-ethoxy-6-trifluoromethyl-dihydro-pyrimidine-2,4-dione
    —— 5,5-dichloro-2,2-dimethyl-3-methylcarbamoyloxy-4-trichloromethyl-[1,3]oxazinan-6-one 70757-98-1 C9H11Cl5N2O4
    5,5-dichloro-2,2-dimethyl-3-methylcarbamoyloxy-4-trichloromethyl-[1,3]oxazinan-6-one
    —— 5,5,5',5'-tetramethyl-2,4,2',4'-tetraoxo-3,3'-hexane-1,6-diyl-bis-imidazolidine-1-carboxylic acid bis-(3-isocyanato-4-methyl-anilide) 35379-68-1 C34H38N8O8
    5,5,5',5'-tetramethyl-2,4,2',4'-tetraoxo-3,3'-hexane-1,6-diyl-bis-imidazolidine-1-carboxylic acid bis-(3-isocyanato-4-methyl-anilide)
    —— 5-Phenyl-1,2,4-triazol-3-selenol 33144-87-5 C8H7N3Se
    5-Phenyl-1,2,4-triazol-3-selenol
    —— 5-butyl-1,1-dioxo-2,3-diphenyl-1λ<sup>6</sup>-thiazolidin-4-one 43056-08-2 C19H21NO3S
    5-butyl-1,1-dioxo-2,3-diphenyl-1λ<sup>6</sup>-thiazolidin-4-one
    —— (5S,6R,E)-methyl 5-methyl-6-(naphthalen-2-yl)-6-(2,2,2-trifluoroacetamido)hex-3-enoate 959860-35-6 C20H20F3NO3
    (5S,6R,E)-methyl 5-methyl-6-(naphthalen-2-yl)-6-(2,2,2-trifluoroacetamido)hex-3-enoate
    —— 5-(4-benzhydryl-piperazin-1-ylmethyl)-1-methyl-2-propyl-1<i>H</i>-benzoimidazole 68740-99-8 C29H34N4
    5-(4-benzhydryl-piperazin-1-ylmethyl)-1-methyl-2-propyl-1<i>H</i>-benzoimidazole
    —— 5,5-dimethyl-3-(1,2,2-tribromo-2-chloro-ethylsulfanyl)-imidazolidine-2,4-dione 2939-98-2 C7H8Br3ClN2O2S
    5,5-dimethyl-3-(1,2,2-tribromo-2-chloro-ethylsulfanyl)-imidazolidine-2,4-dione
    —— 5-acetoxy-2-[4-(4-chloro-phenyl)-6-phenylsulfanyl-[1,3,5]triazin-2-yl]-phenol 5214-39-1 C23H16ClN3O3S
    5-acetoxy-2-[4-(4-chloro-phenyl)-6-phenylsulfanyl-[1,3,5]triazin-2-yl]-phenol
    —— 5-(4-hexadecyloxy-anilino)-2-phenyl-2,4-dihydro-pyrazol-3-one 7186-76-7 C31H45N3O2
    5-(4-hexadecyloxy-anilino)-2-phenyl-2,4-dihydro-pyrazol-3-one
    —— 5-(4-cyclohexyl-anilino)-3<i>H</i>-[1,3,4]thiadiazole-2-thione 4858-40-6 C14H17N3S2
    5-(4-cyclohexyl-anilino)-3<i>H</i>-[1,3,4]thiadiazole-2-thione
    —— (5<i>R</i>)-3-[(<i>Z</i>)-2-(4-methyl-3,5-dioxo-[1,2,4]oxadiazolidin-2-yl)-ethylidene]-7-oxo-(5<i>r</i><i>H</i>)-4-oxa-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid benzyl ester 69032-20-8 C18H17N3O7
    (5<i>R</i>)-3-[(<i>Z</i>)-2-(4-methyl-3,5-dioxo-[1,2,4]oxadiazolidin-2-yl)-ethylidene]-7-oxo-(5<i>r</i><i>H</i>)-4-oxa-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid benzyl ester
    —— 5-hydroxy-14-nitro-7-oxo-6-oxa-5ξ-abieta-8,11,13-trien-18-oic acid methyl ester 110532-44-0 C20H25NO7
    5-hydroxy-14-nitro-7-oxo-6-oxa-5ξ-abieta-8,11,13-trien-18-oic acid methyl ester
    —— 5,13,18,26-Tetramethyl-9,22-bis(pyridin-2-ylmethyl)-1,4,9,14,17,22,27,28,29,30-decazapentacyclo[22.2.1.14,7.111,14.117,20]triaconta-5,7(30),11(29),12,18,20(28),24(27),25-octaene 196865-77-7 C36H44N12
    5,13,18,26-Tetramethyl-9,22-bis(pyridin-2-ylmethyl)-1,4,9,14,17,22,27,28,29,30-decazapentacyclo[22.2.1.14,7.111,14.117,20]triaconta-5,7(30),11(29),12,18,20(28),24(27),25-octaene
    —— 5-chloro-3-methyl-<i>N</i>-nicotinoyloxy-3<i>H</i>-imidazole-4-carboximidic acid amide 54711-60-3 C11H10ClN5O2
    5-chloro-3-methyl-<i>N</i>-nicotinoyloxy-3<i>H</i>-imidazole-4-carboximidic acid amide
    —— 5-amino-1-(2-diethylamino-ethyl)-1<i>H</i>-pyrazole-4-carboxylic acid hydrazide 91008-11-6 C10H20N6O
    5-amino-1-(2-diethylamino-ethyl)-1<i>H</i>-pyrazole-4-carboxylic acid hydrazide
    —— 5-formyl-3-(6'-methoxy-2'-naphthyl)-cyclopentanone-2-acetic acid 23869-60-5 C20H20O5
    5-formyl-3-(6'-methoxy-2'-naphthyl)-cyclopentanone-2-acetic acid
    —— 5,8-Dihydro-6-aethoxycarbonyl-8-aethyl-2-methoxy-5-oxopyrido<2,3-d>pyrimidin 118511-35-6 C12H13N3O4
    5,8-Dihydro-6-aethoxycarbonyl-8-aethyl-2-methoxy-5-oxopyrido<2,3-d>pyrimidin
    —— 5-(4'-(13,17-dihexyl-2,3,7,8,12,18-hexamethylporphyrin-5-yl)-[1,1'-biphenyl]-4-yl)-15-(4,9-dimethoxy-1,1',3,3'-tetrahydrospiro[cyclopenta[b]naphthalene-2,2'-inden]-5'-yl)-2,8,12,18-tetraethyl-3,7,13,17-tetramethylporphyrin 128825-69-4 C105H114N8O2
    5-(4'-(13,17-dihexyl-2,3,7,8,12,18-hexamethylporphyrin-5-yl)-[1,1'-biphenyl]-4-yl)-15-(4,9-dimethoxy-1,1',3,3'-tetrahydrospiro[cyclopenta[b]naphthalene-2,2'-inden]-5'-yl)-2,8,12,18-tetraethyl-3,7,13,17-tetramethylporphyrin
    —— 5-(phenyl-2"-ol)-biphenyl-2,2'-diol 1449679-49-5 C18H14O3
    5-(phenyl-2"-ol)-biphenyl-2,2'-diol
    —— 5-Cyclohexyl-5-oxo-pentansaeure-chlorid 23751-45-3 C11H17ClO2
    5-Cyclohexyl-5-oxo-pentansaeure-chlorid
    —— 5-Chlor-2-methylamino-benzolsulfon-(N-methyl-amid) 90002-95-2 C8H11ClN2O2S
    5-Chlor-2-methylamino-benzolsulfon-(N-methyl-amid)
    —— 5-Phenyl-1,3-dimesityl-Δ<sup>2</sup>-pyrazolin 22340-55-2 C27H30N2
    5-Phenyl-1,3-dimesityl-Δ<sup>2</sup>-pyrazolin
    —— 5-[1-(4,5-Dihydro-3H-pyrrol-2-yl)-meth-(Z)-ylidene]-4,4-dimethyl-pyrrolidine-2-thione 51430-88-7 C11H16N2S
    5-[1-(4,5-Dihydro-3H-pyrrol-2-yl)-meth-(Z)-ylidene]-4,4-dimethyl-pyrrolidine-2-thione
    —— 5-Chlor-2-<4-(4-phenyl-styryl)-phenyl>-benzo<b>thiophen 22862-24-4 C28H19ClS
    5-Chlor-2-<4-(4-phenyl-styryl)-phenyl>-benzo<b>thiophen
    —— 5-(4-chloro-phenylsulfanyl)-2,4-dimethyl-pyrrole-3-carboxylic acid ethyl ester 32884-59-6 C15H16ClNO2S
    5-(4-chloro-phenylsulfanyl)-2,4-dimethyl-pyrrole-3-carboxylic acid ethyl ester
    —— 5-O-(3'-N-desmethyl-3'-N-ethyl)desosaminyl-11,12-dideoxy-3-O-decladinosyl-6-O-methyl-3-oxo-12,11-[oxycarbonyl-(4-(4-(3-(N-isopropyl-amino)-phenyl)-imidazol-1-yl)-butyl)-imino]erythromycin A 938058-55-0 C48H75N5O10
    5-O-(3'-N-desmethyl-3'-N-ethyl)desosaminyl-11,12-dideoxy-3-O-decladinosyl-6-O-methyl-3-oxo-12,11-[oxycarbonyl-(4-(4-(3-(N-isopropyl-amino)-phenyl)-imidazol-1-yl)-butyl)-imino]erythromycin A
    —— 5-{[3-(pyrrolidin-3-yl)-1H-pyrrolo[3,2-b]pyridin-1-yl]sulfonyl}-3,4-dihydroquinolin-2(1H)-one hydroformate 1206685-52-0 CH2O2*C20H20N4O3S
    5-{[3-(pyrrolidin-3-yl)-1H-pyrrolo[3,2-b]pyridin-1-yl]sulfonyl}-3,4-dihydroquinolin-2(1H)-one hydroformate
    —— 5-Brom-1-(o-methoxy-phenyl)-dihydrouracil 23947-57-1 C11H11BrN2O3
    5-Brom-1-(o-methoxy-phenyl)-dihydrouracil
    —— 5-Chlor-3-trimethylammoniomethyl-2-benzoxazolinon-Jodid 29176-87-2 C11H14ClN2O2*I
    5-Chlor-3-trimethylammoniomethyl-2-benzoxazolinon-Jodid
    —— 5-chloro-2-methyl-4-(2-oxo-propyl)-furan-3-carboxylic acid ethyl ester 40698-22-4 C11H13ClO4
    5-chloro-2-methyl-4-(2-oxo-propyl)-furan-3-carboxylic acid ethyl ester
    —— (5-methoxy-4-methyl-2-oxo-2<i>H</i>-chromen-7-yl)-acetic acid 36034-09-0 C13H12O5
    (5-methoxy-4-methyl-2-oxo-2<i>H</i>-chromen-7-yl)-acetic acid
    —— 5,5'-dimethyl-1,1'-dipropyl-2,2'-(tetramethyl-ethane-1,2-diyl)-bis-pyrrolidine 35840-94-9 C22H44N2
    5,5'-dimethyl-1,1'-dipropyl-2,2'-(tetramethyl-ethane-1,2-diyl)-bis-pyrrolidine
    —— 5α-Cholestanyl n-hexadecyl Carbonat 23352-72-9 C44H80O3
    5α-Cholestanyl n-hexadecyl Carbonat
    —— 5,6,7,8,9,10-hexahydro-cyclohepta[<i>b</i>]indole-7-carboxylic acid 35431-85-7 C14H15NO2
    5,6,7,8,9,10-hexahydro-cyclohepta[<i>b</i>]indole-7-carboxylic acid
    —— 5-Brom-1,3-diethyl-2-iminobenzimidazolidin 24786-43-4 C11H14BrN3
    5-Brom-1,3-diethyl-2-iminobenzimidazolidin
    —— 5-(3-fluoro-phenyl)-2-methyl-thiazole-4-carboxylic acid cyclopropylmethyl-[2-(3,4-dimethoxy-phenyl)-ethyl]-amide 1223564-73-5 C25H27FN2O3S
    5-(3-fluoro-phenyl)-2-methyl-thiazole-4-carboxylic acid cyclopropylmethyl-[2-(3,4-dimethoxy-phenyl)-ethyl]-amide
    —— (5S,6S,8S)-5,9-dimethyltricyclo[6.2.2.0(1.6)]dodeca-2,9-dien-4-one 1253050-86-0 C14H18O
    (5S,6S,8S)-5,9-dimethyltricyclo[6.2.2.0(1.6)]dodeca-2,9-dien-4-one
    —— 5-oxo-2,7-diphenyl-4,5-dihydro-2H-pyrazolo[4,3-b]pyridine-3,6-dicarbonitrile 1300047-88-4 C20H11N5O
    5-oxo-2,7-diphenyl-4,5-dihydro-2H-pyrazolo[4,3-b]pyridine-3,6-dicarbonitrile
    —— 5-(5-{1-[5-(4-fluorophenyl)-4H-1,2,4-triazol-3-yl]cyclobutyl}pyridin-2-yl)pyrimidin-2-amine 1448609-68-4 C21H18FN7
    5-(5-{1-[5-(4-fluorophenyl)-4H-1,2,4-triazol-3-yl]cyclobutyl}pyridin-2-yl)pyrimidin-2-amine
    —— (5S)-4-amino-5-(sec-butyl)-3-pyrrolin-2-one-1-carboxylic acid ter-butyl ester 1159097-12-7 C13H22N2O3
    (5S)-4-amino-5-(sec-butyl)-3-pyrrolin-2-one-1-carboxylic acid ter-butyl ester
    —— 5-(tert-butoxycarbonyl)amino-3-(1,2,3,6-tetrahydro-4-pyridinyl)-1H-indole 888728-30-1 C18H23N3O2
    5-(tert-butoxycarbonyl)amino-3-(1,2,3,6-tetrahydro-4-pyridinyl)-1H-indole
    —— 5'-Fluorgriseofulvinsaeure 25350-69-0 C16H14ClFO6
    5'-Fluorgriseofulvinsaeure
    —— 5-allyl-1-(4-methoxy-phenyl)-5-(2-oxo-propyl)-pyrimidine-2,4,6-trione 33074-65-6 C17H18N2O5
    5-allyl-1-(4-methoxy-phenyl)-5-(2-oxo-propyl)-pyrimidine-2,4,6-trione
    —— 5-p-Anisylcyclooctanon 28252-93-9 C15H20O2
    5-p-Anisylcyclooctanon