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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(4-chlorophenyl)-1-phenylhydantoin 37944-73-3 C15H11ClN2O2
    5-(4-chlorophenyl)-1-phenylhydantoin
    —— 5-ethyl-6-(4-methoxy-phenyl)-2-oxo-2<i>H</i>-pyran-3-carboxylic acid ethyl ester 25628-25-5 C17H18O5
    5-ethyl-6-(4-methoxy-phenyl)-2-oxo-2<i>H</i>-pyran-3-carboxylic acid ethyl ester
    —— (5-chloro-6-oxo-1-phenyl-1,6-dihydro-pyridazin-4-yl)-carbamic acid 2,4-dichloro-phenyl ester 16461-86-2 C17H10Cl3N3O3
    (5-chloro-6-oxo-1-phenyl-1,6-dihydro-pyridazin-4-yl)-carbamic acid 2,4-dichloro-phenyl ester
    —— 5-Chloro-3-(4-trichloromethyl-phenyl)-[1,2,4]thiadiazole 17077-87-1 C9H4Cl4N2S
    5-Chloro-3-(4-trichloromethyl-phenyl)-[1,2,4]thiadiazole
    —— 5-(5-methoxy-naphtho[1,2-<i>d</i>][1,2,3]triazol-2-yl)-2-[2-(2-phenyl-2<i>H</i>-[1,2,3]triazol-4-yl)-vinyl]-benzonitrile 25730-10-3 C28H19N7O
    5-(5-methoxy-naphtho[1,2-<i>d</i>][1,2,3]triazol-2-yl)-2-[2-(2-phenyl-2<i>H</i>-[1,2,3]triazol-4-yl)-vinyl]-benzonitrile
    —— 5-nitro-furan-2-carbaldehyde tetrazolo[1,5-<i>b</i>]pyridazin-6-ylidene-hydrazone 21413-16-1 C9H6N8O3
    5-nitro-furan-2-carbaldehyde tetrazolo[1,5-<i>b</i>]pyridazin-6-ylidene-hydrazone
    —— 5-Methyl-4-[2-oxo-1-(p-tolyl-hydrazono)-propyl]-2-phenyl-2,4-dihydro-pyrazol-3-one 128671-12-5 C20H20N4O2
    5-Methyl-4-[2-oxo-1-(p-tolyl-hydrazono)-propyl]-2-phenyl-2,4-dihydro-pyrazol-3-one
    —— 5-naphtho[1,2-<i>d</i>][1,2,3]triazol-2-yl-2-[2-(2-<i>p</i>-tolyl-2<i>H</i>-[1,2,3]triazol-4-yl)-vinyl]-benzonitrile 25730-07-8 C28H19N7
    5-naphtho[1,2-<i>d</i>][1,2,3]triazol-2-yl-2-[2-(2-<i>p</i>-tolyl-2<i>H</i>-[1,2,3]triazol-4-yl)-vinyl]-benzonitrile
    —— 5-chloro-2-methyl-benzooxazole-7-carboxylic acid 4-(cyclohex-3-enylcarbamoyl-sulfamoyl)-phenethylamide 52395-74-1 C24H25ClN4O5S
    5-chloro-2-methyl-benzooxazole-7-carboxylic acid 4-(cyclohex-3-enylcarbamoyl-sulfamoyl)-phenethylamide
    —— 5-methyl-6-nitro-2-pyridin-3-yl-1,3-benzoxazole 82341-67-1 C13H9N3O3
    5-methyl-6-nitro-2-pyridin-3-yl-1,3-benzoxazole
    —— 5-[2-[[4-[[5-secbutyl-3-(1,1-difluoropentyl)-1H-1,2,4-triazol-1-yl]methyl]phenyl]methyl]phenyl]-1H-tetrazole 140121-95-5 C26H31F2N7
    5-[2-[[4-[[5-secbutyl-3-(1,1-difluoropentyl)-1H-1,2,4-triazol-1-yl]methyl]phenyl]methyl]phenyl]-1H-tetrazole
    —— 5-[2-[[4-[[5-isopentyl-3-(1,1-difluorobutyl)-1H-1,2,4-triazol-1-yl]methyl]phenyl]methyl]phenyl]-1H-tetrazole 140122-26-5 C26H31F2N7
    5-[2-[[4-[[5-isopentyl-3-(1,1-difluorobutyl)-1H-1,2,4-triazol-1-yl]methyl]phenyl]methyl]phenyl]-1H-tetrazole
    —— 5,6-Dihydro-3,7,10,13-tetramethyl-11H-naphto <2,1-a>carbazol 1470-12-8 C24H23N
    5,6-Dihydro-3,7,10,13-tetramethyl-11H-naphto <2,1-a>carbazol
    —— 5-(4-Methylcyclohexyl)-1,3,4-thiadiazol-2-amine 1558484-55-1 C9H15N3S
    5-(4-Methylcyclohexyl)-1,3,4-thiadiazol-2-amine
    —— 5-(2-Chlor-phenyl)-2,6-di-<pyridyl-(4)>-4-amino-pyrimidin 14757-14-3 C20H14ClN5
    5-(2-Chlor-phenyl)-2,6-di-<pyridyl-(4)>-4-amino-pyrimidin
    —— 5-Methoxy-N-(3-diethylaminopropyl)-indan-1,2-dicarboximid 1498-04-0 C19H26N2O3
    5-Methoxy-N-(3-diethylaminopropyl)-indan-1,2-dicarboximid
    —— 5,8-Dimethoxy-2-methyl-4',5'-dihydro-furo<3',2':6,7>chromanon-azin 3380-66-3 C28H32N2O8
    5,8-Dimethoxy-2-methyl-4',5'-dihydro-furo<3',2':6,7>chromanon-azin
    —— 5,6-Dimethoxy-isocumarin-carbonsaeure-(4)-methylester 3807-26-9 C13H12O6
    5,6-Dimethoxy-isocumarin-carbonsaeure-(4)-methylester
    —— 5-Hydroxy-2-(hydroxy-diphenyl-methyl)-5,5-diphenyl-pent-3-ynoic acid 3163-90-4 C30H24O4
    5-Hydroxy-2-(hydroxy-diphenyl-methyl)-5,5-diphenyl-pent-3-ynoic acid
    —— 5-ethyl-5-methyl-2-thioxo-imidazolidine-4-carbothioic acid 855382-98-8 C7H12N2OS2
    5-ethyl-5-methyl-2-thioxo-imidazolidine-4-carbothioic acid
    —— 5-(3-fluorophenyloxy)-6-methoxy-4-methyl-8-nitroquinoline 106363-62-6 C17H13FN2O4
    5-(3-fluorophenyloxy)-6-methoxy-4-methyl-8-nitroquinoline
    —— (5-fluoro-3-iodopyrazolo[1,5-a]pyridin-2-yl)methanol 1610966-73-8 C8H6FIN2O
    (5-fluoro-3-iodopyrazolo[1,5-a]pyridin-2-yl)methanol
    —— 5-(5-chloro-1H-benzimidazol-2-yl)-6'-fluoro-2,3'-bipyridine 1388144-45-3 C17H10ClFN4
    5-(5-chloro-1H-benzimidazol-2-yl)-6'-fluoro-2,3'-bipyridine
    —— 5,6,12,13,19,20-hexakis[2-(2-ethoxyethoxy)ethoxy]tetracyclo[15.4.0.03,8.010,15]henicosa-1(21),3,5,7,10,12,14,17,19-nonaene 63283-49-8 C57H90O18
    5,6,12,13,19,20-hexakis[2-(2-ethoxyethoxy)ethoxy]tetracyclo[15.4.0.03,8.010,15]henicosa-1(21),3,5,7,10,12,14,17,19-nonaene
    —— 5-acetyl-2,4,6-trihydroxy-isophthalic acid diethyl ester 855641-71-3 C14H16O8
    5-acetyl-2,4,6-trihydroxy-isophthalic acid diethyl ester
    —— 5-(4-Chloro-benzoyl)-1-methyl-3-naphthalen-2-yl-1,3-dihydro-benzoimidazol-2-one 877669-59-5 C25H17ClN2O2
    5-(4-Chloro-benzoyl)-1-methyl-3-naphthalen-2-yl-1,3-dihydro-benzoimidazol-2-one
    —— 5-cyclopentylidene-pent-3-en-2-one 99172-26-6 C10H14O
    5-cyclopentylidene-pent-3-en-2-one
    —— 5'-O-[N-[N-(N-Boc-L-alanyl)-L-leucyl]-sulfamoyl]adenosine triethylamine salt 1122490-07-6 C6H15N*C24H38N8O10S
    5'-O-[N-[N-(N-Boc-L-alanyl)-L-leucyl]-sulfamoyl]adenosine triethylamine salt
    —— 5-[2-(4-hydroxy-phenyl)-ethylsulfamoyl]-2-methyl-benzoic acid methyl ester 871684-33-2 C17H19NO5S
    5-[2-(4-hydroxy-phenyl)-ethylsulfamoyl]-2-methyl-benzoic acid methyl ester
    —— (5-Amino-3,4-dimethylthieno[2,3-c]pyridazin-6-yl)-[3-(3-methylbutylamino)azetidin-1-yl]methanone 1451993-84-2 C17H25N5OS
    (5-Amino-3,4-dimethylthieno[2,3-c]pyridazin-6-yl)-[3-(3-methylbutylamino)azetidin-1-yl]methanone
    —— [5,5'-methylenebis(3-methylbenzofuran-7,5-diyl)]bis{[6-(4-chlorophenyl)-7,8a-dihydro-1H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-3-yl]methanone} 1345695-16-0 C39H26Cl2N8O2S2
    [5,5'-methylenebis(3-methylbenzofuran-7,5-diyl)]bis{[6-(4-chlorophenyl)-7,8a-dihydro-1H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-3-yl]methanone}
    —— 5-hydroxy-4,4,7-trimethyl-oct-6-enenitrile 100400-26-8 C11H19NO
    5-hydroxy-4,4,7-trimethyl-oct-6-enenitrile
    —— 5-Hydroxy-4-methoxy-2-methyl-7-trifluormethyl-indol-3-carbonsaeure-ethylester 16052-60-1 C14H14F3NO4
    5-Hydroxy-4-methoxy-2-methyl-7-trifluormethyl-indol-3-carbonsaeure-ethylester
    —— 5-Diacetylamino-8-hydroxy-naphthoesaeure-(1)-lacton 5386-01-6 C15H11NO4
    5-Diacetylamino-8-hydroxy-naphthoesaeure-(1)-lacton
    —— 5,7b,12,14b-Tetramethyl-5a,7b,12a,14b-tetrahydro-bis-indolo<2,3-b:2',3'-b'>benzo<1,2-d:4,5-d'>difuran 10261-88-8 C26H24N2O2
    5,7b,12,14b-Tetramethyl-5a,7b,12a,14b-tetrahydro-bis-indolo<2,3-b:2',3'-b'>benzo<1,2-d:4,5-d'>difuran
    —— 5-Methyl-3-diphenylmethyl-1-(2,3-di-O-benzoyl-5-O-diphenylphosphoryl-β-D-ribofuranosyl)-6-aza-uracil 2672-71-1 C48H40N3O11P
    5-Methyl-3-diphenylmethyl-1-(2,3-di-O-benzoyl-5-O-diphenylphosphoryl-β-D-ribofuranosyl)-6-aza-uracil
    —— 5-Brom-2-methyl-N,N-tetramethylen-tryptamin 1086-47-1 C15H19BrN2
    5-Brom-2-methyl-N,N-tetramethylen-tryptamin
    —— 5-hydroxy-4,4,5-trimethyl-hexan-2-one cyclohemiacetal 13144-90-6 C9H18O2
    5-hydroxy-4,4,5-trimethyl-hexan-2-one cyclohemiacetal
    —— 5-benzyloxy-1-diazo-4-methoxypentan-2-one 444992-09-0 C13H16N2O3
    5-benzyloxy-1-diazo-4-methoxypentan-2-one
    —— 5,5,6-Trimethyl-1,3-cyclohexadien-1-carbaldehyd 70487-04-6 C10H14O
    5,5,6-Trimethyl-1,3-cyclohexadien-1-carbaldehyd
    —— 5,5-Dioxo-N,N'-bis-(4-phenylbutyl)-dibenzothiophene-2,8-dimethanamine dihydrochloride 141914-64-9 C34H38N2O2S*2ClH
    5,5-Dioxo-N,N'-bis-(4-phenylbutyl)-dibenzothiophene-2,8-dimethanamine dihydrochloride
    —— [5-(2-amino-6-oxo-1H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl [2-(2-amino-6-oxo-1H-purin-9-yl)-4-hydroxy-5-(hydroxymethyl)oxolan-3-yl] hydrogen phosphate;azane 103213-36-1 C20H28N11O12P
    [5-(2-amino-6-oxo-1H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl [2-(2-amino-6-oxo-1H-purin-9-yl)-4-hydroxy-5-(hydroxymethyl)oxolan-3-yl] hydrogen phosphate;azane
    —— 5-ethoxy-4-methoxy-2,4'-oxy-di-benzoic acid 64961-91-7 C17H16O7
    5-ethoxy-4-methoxy-2,4'-oxy-di-benzoic acid
    —— 5-cyclohexylimino-2-ethoxy-4-(2,2,2-trifluoro-1-trifluoromethyl-ethylidene)-4,5-dihydro-furan-3-carboxylic acid ethyl ester 54316-04-0 C18H21F6NO4
    5-cyclohexylimino-2-ethoxy-4-(2,2,2-trifluoro-1-trifluoromethyl-ethylidene)-4,5-dihydro-furan-3-carboxylic acid ethyl ester
    —— [(5S,6E,8E,10E,12S)-12-[tert-butyl(diphenyl)silyl]oxy-13,13-difluoro-1-methoxy-1-oxoicosa-6,8,10-trien-14-yn-5-yl] benzoate 120642-25-3 C44H52F2O5Si
    [(5S,6E,8E,10E,12S)-12-[tert-butyl(diphenyl)silyl]oxy-13,13-difluoro-1-methoxy-1-oxoicosa-6,8,10-trien-14-yn-5-yl] benzoate
    —— 5-acetoxy-6-(t-butyl)-2,3-dihydro-7-(2-propenyl)-2,2,4-trimethylbenzo[b]furan 137443-66-4 C20H28O3
    5-acetoxy-6-(t-butyl)-2,3-dihydro-7-(2-propenyl)-2,2,4-trimethylbenzo[b]furan
    —— 5,11,17,23-tetra-(2-(Boc-amino)ethyl)-25,26,27,28-calix[4]arene tetrol 1167438-07-4 C56H76N4O12
    5,11,17,23-tetra-(2-(Boc-amino)ethyl)-25,26,27,28-calix[4]arene tetrol
    —— 5-propyl-4-(3-pyridinyl)-1,3-thiazol-2-amine 1265634-67-0 C11H13N3S
    5-propyl-4-(3-pyridinyl)-1,3-thiazol-2-amine
    —— 5-ethyl-3-methyl-6-morpholin-4-yl-5<i>H</i>-isothiazolo[5,4-<i>d</i>]pyrimidin-4-one 28561-96-8 C12H16N4O2S
    5-ethyl-3-methyl-6-morpholin-4-yl-5<i>H</i>-isothiazolo[5,4-<i>d</i>]pyrimidin-4-one
    —— 5,5'-bis-naphtho[2,1-<i>b</i>]furan-2-yl-2,2'-biphenyl-4,4'-diyl-bis-[1,3,4]oxadiazole 61256-13-1 C40H22N4O4
    5,5'-bis-naphtho[2,1-<i>b</i>]furan-2-yl-2,2'-biphenyl-4,4'-diyl-bis-[1,3,4]oxadiazole