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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(p-Benzyloxyphenyl)-2-oxazol-2-carbonsaeurehydrazid 13575-27-4 C17H15N3O3
    5-(p-Benzyloxyphenyl)-2-oxazol-2-carbonsaeurehydrazid
    —— 5-(4-Nitro-phenyl)-2-amino-4-aethoxycarbonylmethylmercapto-pyrimidin 15937-43-6 C14H14N4O4S
    5-(4-Nitro-phenyl)-2-amino-4-aethoxycarbonylmethylmercapto-pyrimidin
    —— 5,5'-Ureylen-bis-(salicylsaeure-p-chlor-anilid) 19715-88-9 C27H20Cl2N4O5
    5,5'-Ureylen-bis-(salicylsaeure-p-chlor-anilid)
    —— 5-Methoxy-4-tert.-butyloxy-2-tert.-butyl-phenol 21243-79-8 C15H24O3
    5-Methoxy-4-tert.-butyloxy-2-tert.-butyl-phenol
    —— 5,6-Dichlor-2-(2-brom-α-hydroxy-benzyl)-benzimidazol 7157-66-6 C14H9BrCl2N2O
    5,6-Dichlor-2-(2-brom-α-hydroxy-benzyl)-benzimidazol
    —— 5-[(2-fluorobenzyl)oxy]-4-oxo-4H-pyran-2-carboxylic acid 1040349-01-6 C13H9FO5
    5-[(2-fluorobenzyl)oxy]-4-oxo-4H-pyran-2-carboxylic acid
    —— 5(R)-Isoxazol-3-yloxymethyl-3-(4-(1-(2-acetoxyethyl)-1,2,5,6-tetrahydropyrid-4-yl)-3-fluorophenyl)oxazolidin-2-one 252279-75-7 C22H24FN3O6
    5(R)-Isoxazol-3-yloxymethyl-3-(4-(1-(2-acetoxyethyl)-1,2,5,6-tetrahydropyrid-4-yl)-3-fluorophenyl)oxazolidin-2-one
    —— 5-amino-4-chloro-naphthalene-1-sulfonic acid 861354-34-9 C10H8ClNO3S
    5-amino-4-chloro-naphthalene-1-sulfonic acid
    —— 5-chloro-6-methoxy-benzo[1,2,3]thiadiazole 23615-85-2 C7H5ClN2OS
    5-chloro-6-methoxy-benzo[1,2,3]thiadiazole
    —— 5-fluoro-1-[(2R,3R,4R,5R)-3-fluoro-5-(fluoromethyl)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione 1445397-01-2 C10H11F3N2O5
    5-fluoro-1-[(2R,3R,4R,5R)-3-fluoro-5-(fluoromethyl)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione
    —— 5-amino-4-cyano-N-(cyclopropylcarbamoyl)-3-(p-tolyl)-2,3-dihydrothiophene-2-carboxamide 1446847-16-0 C17H18N4O2S
    5-amino-4-cyano-N-(cyclopropylcarbamoyl)-3-(p-tolyl)-2,3-dihydrothiophene-2-carboxamide
    —— 5-bromo-2-N-[3-(dimethylamino)phenyl]-4-N-[2-(1H-imidazol-5-yl)ethyl]pyrimidine-2,4-diamine 702674-89-3 C17H20BrN7
    5-bromo-2-N-[3-(dimethylamino)phenyl]-4-N-[2-(1H-imidazol-5-yl)ethyl]pyrimidine-2,4-diamine
    —— 5-pentyl-2-(propan-2-yl)-4H,5H-[1,3]oxazolo[4,5-c]quinolin-4-one 1422029-22-8 C18H22N2O2
    5-pentyl-2-(propan-2-yl)-4H,5H-[1,3]oxazolo[4,5-c]quinolin-4-one
    —— 5a,6-dihydro-6α-methoxy-3H,7H-azeto<2,1-b>furo<3,4-d><1,3>thiazine-1,7(4H)-dione 127792-60-3 C9H9NO4S
    5a,6-dihydro-6α-methoxy-3H,7H-azeto<2,1-b>furo<3,4-d><1,3>thiazine-1,7(4H)-dione
    —— 5-(5-Fluoropyridin-2-yl)-2-(phenoxymethyl)-6,7-dihydro-[1,3]oxazolo[5,4-c]pyridin-4-one 1454302-91-0 C18H14FN3O3
    5-(5-Fluoropyridin-2-yl)-2-(phenoxymethyl)-6,7-dihydro-[1,3]oxazolo[5,4-c]pyridin-4-one
    —— 5-dimethylaminomethylene-1,3-dimethyl-pyrimidine-2,4,6-trione 4-[(1-phenyl-vinyl)-hydrazone] 66869-96-3 C17H21N5O2
    5-dimethylaminomethylene-1,3-dimethyl-pyrimidine-2,4,6-trione 4-[(1-phenyl-vinyl)-hydrazone]
    —— {5-[(diphenylphosphoryl)(hydroxylamino)methyl]-furan-2-yl}methanol 1221157-53-4 C18H18NO4P
    {5-[(diphenylphosphoryl)(hydroxylamino)methyl]-furan-2-yl}methanol
    —— 5,7,7-Trimethyl-1-phenyl-5,6,7,8-tetrahydro-1H-pyrazolo[3,4-e][1,2,4]triazepin-4-one 110810-09-8 C14H17N5O
    5,7,7-Trimethyl-1-phenyl-5,6,7,8-tetrahydro-1H-pyrazolo[3,4-e][1,2,4]triazepin-4-one
    —— 5-Methyl-2-(2-oxo-2-piperidin-1-yl-ethoxy)-benzoic acid methyl ester 26493-92-5 C16H21NO4
    5-Methyl-2-(2-oxo-2-piperidin-1-yl-ethoxy)-benzoic acid methyl ester
    —— (5-nitro-furan-2-ylmethylene)-(2-phenyl-4,5-dihydro-imidazol-1-yl)-amine 36780-86-6 C14H12N4O3
    (5-nitro-furan-2-ylmethylene)-(2-phenyl-4,5-dihydro-imidazol-1-yl)-amine
    —— 5-Ethyl-2.9.9-trimethyl-6.7-benzomorphan 77531-84-1 C17H25N
    5-Ethyl-2.9.9-trimethyl-6.7-benzomorphan
    —— 5-Propionyl-hemimellitol 107075-94-5 C12H16O
    5-Propionyl-hemimellitol
    —— 5,5'-di-<i>o</i>-tolyl-2,2'-<i>p</i>-phenylene-bis-[1,3,4]thiadiazole 17464-23-2 C24H18N4S2
    5,5'-di-<i>o</i>-tolyl-2,2'-<i>p</i>-phenylene-bis-[1,3,4]thiadiazole
    —— (5E,16E)-(2R,3S,8S,13R,14S,19S)-8,19-Dibutyl-10,21,24,26-tetramethoxy-3,14-dimethyl-tricyclo[18.2.2.29,12]hexacosa-1(23),5,9(26),10,12(25),16,20(24),21-octaene-2,13-diol 277297-43-5 C40H60O6
    (5E,16E)-(2R,3S,8S,13R,14S,19S)-8,19-Dibutyl-10,21,24,26-tetramethoxy-3,14-dimethyl-tricyclo[18.2.2.29,12]hexacosa-1(23),5,9(26),10,12(25),16,20(24),21-octaene-2,13-diol
    —— 5-hydroxy-2-oxapentyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-3,6-di-O-acetyl-2-acetamido-2-deoxy-α-D-glucopyranoside 532390-53-7 C30H45NO19
    5-hydroxy-2-oxapentyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-3,6-di-O-acetyl-2-acetamido-2-deoxy-α-D-glucopyranoside
    —— 5-Methyl-5-(3-methyl-butyl)-cyclopent-2-enone 74634-05-2 C11H18O
    5-Methyl-5-(3-methyl-butyl)-cyclopent-2-enone
    —— (5-Hydroxy-2-oxo-5-methyl-cyclohexyl)-essigsaeure-lacton 122216-33-5 C9H12O3
    (5-Hydroxy-2-oxo-5-methyl-cyclohexyl)-essigsaeure-lacton
    —— (5S)-3-cyano-8-oxo-1-azabicyclo<3.3.0>oct-2-ene-2-carboxylic acid 123457-24-9 C9H8N2O3
    (5S)-3-cyano-8-oxo-1-azabicyclo<3.3.0>oct-2-ene-2-carboxylic acid
    —— (5Z,13E)-(8R,9S,11R,12R)-9,11-dihydroxy-15,15-ethylenedioxy-16-(4-fluorophenoxy)-17,18,19,20-tetranor-prostadienoic acid 59619-17-9 C24H31FO7
    (5Z,13E)-(8R,9S,11R,12R)-9,11-dihydroxy-15,15-ethylenedioxy-16-(4-fluorophenoxy)-17,18,19,20-tetranor-prostadienoic acid
    —— 5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-4-[4-(1-methyl-1H-benzimidazol-5-yl)phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one 1332331-31-3 C25H26N6O2
    5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-4-[4-(1-methyl-1H-benzimidazol-5-yl)phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one
    —— 5-(2-Trimethylammonio-ethyl)-5-methyl-hydantoin-hydroxid-N<sup>3</sup>,N<sup>2'</sup>-anhydrobase 20913-79-5 C9H17N3O2
    5-(2-Trimethylammonio-ethyl)-5-methyl-hydantoin-hydroxid-N<sup>3</sup>,N<sup>2'</sup>-anhydrobase
    —— 5-benzoyl-3-(4-methoxyphenyl)-2,5-diphenylisoxazolidine-4-carbonitrile 1017242-81-7 C30H24N2O3
    5-benzoyl-3-(4-methoxyphenyl)-2,5-diphenylisoxazolidine-4-carbonitrile
    —— 5-methanesulfonyl-4-phenyl-2-thioxo-2,3-dihydro-[1,3]thiazin-6-one 69143-93-7 C11H9NO3S3
    5-methanesulfonyl-4-phenyl-2-thioxo-2,3-dihydro-[1,3]thiazin-6-one
    —— (5E)-5-tert-butyl-7-methyloct-5-en-2-one 1416954-46-5 C13H24O
    (5E)-5-tert-butyl-7-methyloct-5-en-2-one
    —— [5-(4-Chloro-phenyl)-thiophen-2-yl]-acetic acid phenyl ester 24733-04-8 C18H13ClO2S
    [5-(4-Chloro-phenyl)-thiophen-2-yl]-acetic acid phenyl ester
    —— 5-chloro-N-[(1S)-2-hydroxy-1-methylethyl]-N-phenyl-4-pyrazolo[1,5-a]pyridin-3-yl-1,3-thiazole-2-carboxamide 1207555-54-1 C20H17ClN4O2S
    5-chloro-N-[(1S)-2-hydroxy-1-methylethyl]-N-phenyl-4-pyrazolo[1,5-a]pyridin-3-yl-1,3-thiazole-2-carboxamide
    —— 5-(5,5-Dimethylcyclohex-3-en-1-yl)pentan-2-one 106673-08-9 C13H22O
    5-(5,5-Dimethylcyclohex-3-en-1-yl)pentan-2-one
    —— 5-chloro-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one 1374306-34-9 C15H12ClF3N4O
    5-chloro-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
    —— 5-amino-6-nitro-2,3,8,9-tetraphenylpyrazino<2,3-f>quinoxaline 120829-12-1 C34H22N6O2
    5-amino-6-nitro-2,3,8,9-tetraphenylpyrazino<2,3-f>quinoxaline
    —— 5-Chlor-6-methyl-3-phenyl-1,2-benzisothiazol-1,1-dioxid 36243-97-7 C14H10ClNO2S
    5-Chlor-6-methyl-3-phenyl-1,2-benzisothiazol-1,1-dioxid
    —— 5,7-dibromo-4,4-bis(p-tolyl)-2-[3,3,5-trimethyl-1,1-dioxido-1,2-benzisothiazol-2(3H)-yl]-3,4-dihydroquinoline 1469438-34-3 C33H30Br2N2O2S
    5,7-dibromo-4,4-bis(p-tolyl)-2-[3,3,5-trimethyl-1,1-dioxido-1,2-benzisothiazol-2(3H)-yl]-3,4-dihydroquinoline
    —— 5-Ethyl-4-methyl-2-methylsulfanyl-6-phenyl-nicotinonitrile 151693-72-0 C16H16N2S
    5-Ethyl-4-methyl-2-methylsulfanyl-6-phenyl-nicotinonitrile
    —— (5,5'-dibromo-2,2-bipyridine)rhenium(I) tricarbonyl chloride 264916-65-6 C13H6Br2ClN2O3Re
    (5,5'-dibromo-2,2-bipyridine)rhenium(I) tricarbonyl chloride
    —— 5-Methyl-1-phenylhex-5-en-3-yl 4-methylbenzenesulfonate 1391636-94-4 C20H24O3S
    5-Methyl-1-phenylhex-5-en-3-yl 4-methylbenzenesulfonate
    —— 5,7-Dimethyl-2-hydroxy-2-phenyl-2,3-dihydro-azuleno<1.8-b.c>thiapyran 15038-91-2 C20H18OS
    5,7-Dimethyl-2-hydroxy-2-phenyl-2,3-dihydro-azuleno<1.8-b.c>thiapyran
    —— 5-(2,5-dihydroxy-phenyl)-pyrrolidin-2-one 32285-68-0 C10H11NO3
    5-(2,5-dihydroxy-phenyl)-pyrrolidin-2-one
    —— 5'-Hydroxy-1,2-benzocyclohepta-1,6-dien-3-on 6603-55-0 C11H10O2
    5'-Hydroxy-1,2-benzocyclohepta-1,6-dien-3-on
    —— 5-(3-bromopropoxy)-2-ethylbenzenemethanol 117526-94-0 C12H17BrO2
    5-(3-bromopropoxy)-2-ethylbenzenemethanol
    —— 5-benzoyl-1-(3-methoxyphenyl)pyrrolidin-2-one 757248-70-7 C18H17NO3
    5-benzoyl-1-(3-methoxyphenyl)pyrrolidin-2-one
    —— 5,7-di(tert-butyl)-3-(3,5-dimethylphenylamino)-2-(5,8-dimethyl-4-morpholinoquinolin-2-yl)cyclohepta-2,4,6-trienone 1520078-67-4 C38H47N3O2
    5,7-di(tert-butyl)-3-(3,5-dimethylphenylamino)-2-(5,8-dimethyl-4-morpholinoquinolin-2-yl)cyclohepta-2,4,6-trienone