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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-chloro-2-[4-(3-trifluoromethyl-phenyl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanylmethyl]-1<i>H</i>-benzoimidazole 66298-03-1 C17H11ClF3N5S
    5-chloro-2-[4-(3-trifluoromethyl-phenyl)-4<i>H</i>-[1,2,4]triazol-3-ylsulfanylmethyl]-1<i>H</i>-benzoimidazole
    —— 5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[3-[2-[2-[3-[3-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]propanoylamino]propoxy]ethoxy]ethoxy]propyl]pentanamide 1167421-27-3 C31H57N7O10S
    5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[3-[2-[2-[3-[3-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]propanoylamino]propoxy]ethoxy]ethoxy]propyl]pentanamide
    —— 5,5'-bis{(3,7-diazanonane-1,9-diamine)copper(II)} tetraperchlorate 141376-70-7 C14H38Cl2Cu2N8O8*2ClO4
    5,5'-bis{(3,7-diazanonane-1,9-diamine)copper(II)} tetraperchlorate
    —— 5-ethyl-2-(4-fluorophenyl)-N-methyl-6-(N-(3-(phenylsulfonyl)propyl)methylsulfonamido)furo[2,3-b]pyridine-3-carboxamide 1345176-12-6 C27H28FN3O6S2
    5-ethyl-2-(4-fluorophenyl)-N-methyl-6-(N-(3-(phenylsulfonyl)propyl)methylsulfonamido)furo[2,3-b]pyridine-3-carboxamide
    —— 5-(4'-fluoro-2'-hydroxy-4-biphenylyl)-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione 1346607-38-2 C18H12FN3O3
    5-(4'-fluoro-2'-hydroxy-4-biphenylyl)-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione
    —— 5-chloro-4-[6-(oxan-4-ylmethylamino)pyridin-2-yl]-N-[[(3R)-piperidin-3-yl]methyl]pyridin-2-amine 1263373-31-4 C22H30ClN5O
    5-chloro-4-[6-(oxan-4-ylmethylamino)pyridin-2-yl]-N-[[(3R)-piperidin-3-yl]methyl]pyridin-2-amine
    —— 5-(4,5-bis(2-ethylphenyl)thiophen-2-yl)-1H-tetrazole 1395082-95-7 C21H20N4S
    5-(4,5-bis(2-ethylphenyl)thiophen-2-yl)-1H-tetrazole
    —— 5-(4,5-bis(3-chloro-4-methoxyphenyl)thiophen-2-yl)-1H-tetrazole 1395083-13-2 C19H14Cl2N4O2S
    5-(4,5-bis(3-chloro-4-methoxyphenyl)thiophen-2-yl)-1H-tetrazole
    —— 5-methyl-1-(4-nitrophenyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 1160614-68-5 C16H20BN3O4
    5-methyl-1-(4-nitrophenyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
    —— 5,6-dimethoxy-2-phthalimido-1,2,3,4-tetrahydronaphthalene 124399-93-5 C20H19NO4
    5,6-dimethoxy-2-phthalimido-1,2,3,4-tetrahydronaphthalene
    —— (5S,6S,8S)-17,17-dichloro-5-[(1S,2R)-1,2-dichlorooctyl]-2,2,3,3,20,20,21,21-octamethyl-4,19-dioxa-3,20-disiladocosane-6,8-diol 1266384-09-1 C34H70Cl4O4Si2
    (5S,6S,8S)-17,17-dichloro-5-[(1S,2R)-1,2-dichlorooctyl]-2,2,3,3,20,20,21,21-octamethyl-4,19-dioxa-3,20-disiladocosane-6,8-diol
    —— <5,8-<sup>13</sup>C>-2,2-11,11-Tetramethyl-3,5,7,9-dodecatetrain 70683-13-5 C16H18
    <5,8-<sup>13</sup>C>-2,2-11,11-Tetramethyl-3,5,7,9-dodecatetrain
    —— 5-(4-(4-butoxyphenylsulfonamido)benzoyl)-2-(3,4-difluorophenyl(methyl)amino)benzoic acid 1129401-57-5 C31H28F2N2O6S
    5-(4-(4-butoxyphenylsulfonamido)benzoyl)-2-(3,4-difluorophenyl(methyl)amino)benzoic acid
    —— 5-bromo-N2-(3-chloro-4-fluoro-phenyl)-N4-[3-(1,1-dioxo-1λ6-thiomorpholin-4-yl)-propyl]-pyrimidine-2,4-diamine 1220417-15-1 C17H20BrClFN5O2S
    5-bromo-N2-(3-chloro-4-fluoro-phenyl)-N4-[3-(1,1-dioxo-1λ6-thiomorpholin-4-yl)-propyl]-pyrimidine-2,4-diamine
    —— 5,7-dichloro-3-pyrazol-1-yl-benzo[<i>e</i>][1,2,4]triazine 1-oxide 72459-90-6 C10H5Cl2N5O
    5,7-dichloro-3-pyrazol-1-yl-benzo[<i>e</i>][1,2,4]triazine 1-oxide
    —— (5S,6S,7S)-tert-butyl 8-hydroxy-7-(hydroxymethyl)-5-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxole-6-carboxylate 1101862-53-6 C26H32O9
    (5S,6S,7S)-tert-butyl 8-hydroxy-7-(hydroxymethyl)-5-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxole-6-carboxylate
    —— 5-Oxo-trans-2-hexencarbonsaeure 32794-09-5 C6H8O3
    5-Oxo-trans-2-hexencarbonsaeure
    —— 5-Furan-2-ylmethyl-2,2-diphenyl-2,3-dihydro-imidazol-4-one 142229-92-3 C20H16N2O2
    5-Furan-2-ylmethyl-2,2-diphenyl-2,3-dihydro-imidazol-4-one
    —— [5-[5-Chloro-3-fluoro-2-(5-methyl-1,2,4-oxadiazol-3-yl)phenyl]-3-fluoropyridin-2-yl]methanamine 1217888-84-0 C15H11ClF2N4O
    [5-[5-Chloro-3-fluoro-2-(5-methyl-1,2,4-oxadiazol-3-yl)phenyl]-3-fluoropyridin-2-yl]methanamine
    —— (5Z,10Z,14Z,19Z)-5-(4-Hexadecyloxy-phenyl)-10,15,20-tri-p-tolyl-porphyrin 139377-78-9 C63H68N4O
    (5Z,10Z,14Z,19Z)-5-(4-Hexadecyloxy-phenyl)-10,15,20-tri-p-tolyl-porphyrin
    —— (5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-10-cyclohexyl-4-(diallyloxyphosphinyl)-3,6-dihydroxy-3-(2-(hydroxy)ethyl)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one 902782-28-9 C31H47O9P
    (5S,6S)-6-[(1E,3R,4R,6R,7Z,9Z)-10-cyclohexyl-4-(diallyloxyphosphinyl)-3,6-dihydroxy-3-(2-(hydroxy)ethyl)deca-1,7,9-trienyl]-5-ethyl-5,6-dihydro-2H-pyran-2-one
    —— (5S,6S,7R)-7-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-3-methyl-5,8-dioxo-5λ<sup>4</sup>-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester 222975-17-9 C17H14N2O6S
    (5S,6S,7R)-7-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-3-methyl-5,8-dioxo-5λ<sup>4</sup>-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester
    —— [(5,6,7,8,9,10-hexahydro-cycloocta[<i>c</i>]pyridazin-3-yl)-hydrazono]-succinic acid dimethyl ester 73032-67-4 C16H22N4O4
    [(5,6,7,8,9,10-hexahydro-cycloocta[<i>c</i>]pyridazin-3-yl)-hydrazono]-succinic acid dimethyl ester
    —— 5-phenyl-3-(tetra-<i>O</i>-acetyl-β-<i>D</i>-glucopyranosyl)-3<i>H</i>-[1,3,4]oxadiazol-2-one 65572-32-9 C22H24N2O11
    5-phenyl-3-(tetra-<i>O</i>-acetyl-β-<i>D</i>-glucopyranosyl)-3<i>H</i>-[1,3,4]oxadiazol-2-one
    —— 5β-cholestano<5,6α-d>oxazolidin-2'-thione 119772-18-8 C28H47NOS
    5β-cholestano<5,6α-d>oxazolidin-2'-thione
    —— 5-nitro-7,8-cyclopenteno-1H-quinolin-2-one 137985-50-3 C12H10N2O3
    5-nitro-7,8-cyclopenteno-1H-quinolin-2-one
    —— (5-Chloro-2,3-dihydro-1-benzofuran-7-yl)methanamine hydrochloride 1461714-44-2 C9H11Cl2NO
    (5-Chloro-2,3-dihydro-1-benzofuran-7-yl)methanamine hydrochloride
    —— 5-<Tetrahydro-pyran-2-yl>-pyrrolidin-2-on 90942-79-3 C9H15NO2
    5-<Tetrahydro-pyran-2-yl>-pyrrolidin-2-on
    —— 5,6-dihydro-2-methyl-1,4-oxathiin-3-p-carbtoluidinide 6577-32-8 C13H15NO2S
    5,6-dihydro-2-methyl-1,4-oxathiin-3-p-carbtoluidinide
    —— (5-hydrazino-2,4-dinitro-phenyl)-acetic acid ethyl ester 861560-09-0 C10H12N4O6
    (5-hydrazino-2,4-dinitro-phenyl)-acetic acid ethyl ester
    —— 5,6-dibromo-2,3-diaza-norbornane-2,3-dicarboxylic acid diethyl ester 103647-23-0 C11H16Br2N2O4
    5,6-dibromo-2,3-diaza-norbornane-2,3-dicarboxylic acid diethyl ester
    —— 5-(1,3-dihydro-pyrrolo[3,4-b]quinolin-2-yl)-3-[1,3]dioxolan-2-yl-5-oxo-4-(4,4,6-trimethyl-[1,3]oxazinan-2-yl)-pentanoic acid ethyl ester 39013-52-0 C28H37N3O6
    5-(1,3-dihydro-pyrrolo[3,4-b]quinolin-2-yl)-3-[1,3]dioxolan-2-yl-5-oxo-4-(4,4,6-trimethyl-[1,3]oxazinan-2-yl)-pentanoic acid ethyl ester
    —— 5-Chlor-4-triaethylsilyloxy-4-methyl-penten-(1) 18090-38-5 C12H25ClOSi
    5-Chlor-4-triaethylsilyloxy-4-methyl-penten-(1)
    —— 5-ethoxy-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid (4-methoxy-phenyl)-amide 533910-88-2 C17H17N3O3
    5-ethoxy-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid (4-methoxy-phenyl)-amide
    —— 5-methyl-5-(naphthalene-2-yl)pyrrolidin-2-one 1610701-45-5 C15H15NO
    5-methyl-5-(naphthalene-2-yl)pyrrolidin-2-one
    —— 5-Cyclohexylamino-5a,8a-dihydro-1,3,7-trimethyl-1H-pyrrolo<3,4-g>quinazoline-2,4,6,8(3H,5H,7H,9H)-tetrone 132092-81-0 C19H26N4O4
    5-Cyclohexylamino-5a,8a-dihydro-1,3,7-trimethyl-1H-pyrrolo<3,4-g>quinazoline-2,4,6,8(3H,5H,7H,9H)-tetrone
    —— 5-amino-3,4,6-tri-O-benzyl-5-deoxy-D-mannonolactam 272124-30-8 C27H29NO5
    5-amino-3,4,6-tri-O-benzyl-5-deoxy-D-mannonolactam
    —— 5-(3-chlorophenyl)-1-(3-(5-methyl-1H-imidazol-1-yl)propyl)imidazolidine-2,4-dione 1215088-95-1 C16H17ClN4O2
    5-(3-chlorophenyl)-1-(3-(5-methyl-1H-imidazol-1-yl)propyl)imidazolidine-2,4-dione
    —— 5-formyl-2',3',5'-tri-O-acetyluridine 157638-96-5 C16H18N2O10
    5-formyl-2',3',5'-tri-O-acetyluridine
    —— 5-Chloro-2-(5-methyl-thiophen-2-ylmethyl)-phenylamine 80517-47-1 C12H12ClNS
    5-Chloro-2-(5-methyl-thiophen-2-ylmethyl)-phenylamine
    —— 5-tert-butyl-4-chloro-2-methyl-2H-pyrazole-3-carboxylic acid [4-chloro-3-nitro-6-(2-trifluoromethyl-phenyl)-pyridin-2-yl]-amide 1332874-97-1 C21H18Cl2F3N5O3
    5-tert-butyl-4-chloro-2-methyl-2H-pyrazole-3-carboxylic acid [4-chloro-3-nitro-6-(2-trifluoromethyl-phenyl)-pyridin-2-yl]-amide
    —— 5-benzylidene-2-(4-chloro-phenylimino)-3-<i>p</i>-tolyl-thiazolidin-4-one 67637-27-8 C23H17ClN2OS
    5-benzylidene-2-(4-chloro-phenylimino)-3-<i>p</i>-tolyl-thiazolidin-4-one
    —— 5-Benzyloxy-2-(2-[1,3]dioxan-2-yl-6-methoxy-4-methyl-phenyl)-4-methoxy-naphthalen-1-ol 742101-71-9 C30H30O6
    5-Benzyloxy-2-(2-[1,3]dioxan-2-yl-6-methoxy-4-methyl-phenyl)-4-methoxy-naphthalen-1-ol
    —— 5,7,3',4',5'',7'',3''',4'''-octa-O-methylprocyanidin B-3 37126-92-4 C38H42O12
    5,7,3',4',5'',7'',3''',4'''-octa-O-methylprocyanidin B-3
    —— 5,8-dimethyl-5-deazalumazine 75208-96-7 C9H9N3O2
    5,8-dimethyl-5-deazalumazine
    —— 5-(2,6-difluorophenyl)-10a-ethyl-1,2,6b,7,8,9,10,10a-octahydropyrido[4,3-b][1,4]thiazino[2,3,4-hi]indole 497956-01-1 C21H22F2N2S
    5-(2,6-difluorophenyl)-10a-ethyl-1,2,6b,7,8,9,10,10a-octahydropyrido[4,3-b][1,4]thiazino[2,3,4-hi]indole
    —— 5-ethoxy-2,2-dimethyl-3H-2λ5-[1,2]azaphosphole-4-carbonitrile 37385-48-1 C8H13N2OP
    5-ethoxy-2,2-dimethyl-3H-2λ5-[1,2]azaphosphole-4-carbonitrile
    —— 5-Nitro-2-(toluol-4-sulfinyl)-benzaldehyd-dimethylacetal 93009-64-4 C16H17NO5S
    5-Nitro-2-(toluol-4-sulfinyl)-benzaldehyd-dimethylacetal
    —— 5-fluoro-2-methyl-N-(5-propyl-[1,3,4]thiadiazol-2-yl)-benzenesulfonamide 67475-24-5 C12H14FN3O2S2
    5-fluoro-2-methyl-N-(5-propyl-[1,3,4]thiadiazol-2-yl)-benzenesulfonamide
    —— 5-<3,5-bis(ethoxycarbonyl)-4-methyl-1H-pyrrol-2-yl>-1-methyl-3,4,6-triphenyl-2(1H)-pyridinethione 131194-83-7 C35H32N2O4S
    5-<3,5-bis(ethoxycarbonyl)-4-methyl-1H-pyrrol-2-yl>-1-methyl-3,4,6-triphenyl-2(1H)-pyridinethione