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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,7-octadien-2-one 22610-84-0 C8H12O
    5,7-octadien-2-one
    —— 5-methyl-1-p-tolyl-1H-benzotriazole 855468-23-4 C14H13N3
    5-methyl-1-p-tolyl-1H-benzotriazole
    —— 5-(3-mercapto-propylsulfanyl)-pentan-1-ol 57795-14-9 C8H18OS2
    5-(3-mercapto-propylsulfanyl)-pentan-1-ol
    —— 5-(5-(tert-butyl)thiophen-2-yl)-2H-pyrazol-3-ylamine 1040723-89-4 C11H15N3S
    5-(5-(tert-butyl)thiophen-2-yl)-2H-pyrazol-3-ylamine
    —— 5,5'-Dibrom-diphensaeure-dimethylester 13975-00-3 C16H12Br2O4
    5,5'-Dibrom-diphensaeure-dimethylester
    —— 5-chloro-2-(3-phenylprop-2-yn-1-yl)isoindoline 1616788-05-6 C17H14ClN
    5-chloro-2-(3-phenylprop-2-yn-1-yl)isoindoline
    —— 5-methyl-1-phenyl-7-amino-3,3-diphenyl-2,4-dioxa-8-aza-6-azonia-3-boratabicyclo{3.3.3}oct-6-ene 115438-23-8 C22H22BN3O2
    5-methyl-1-phenyl-7-amino-3,3-diphenyl-2,4-dioxa-8-aza-6-azonia-3-boratabicyclo{3.3.3}oct-6-ene
    —— (5R,5aR,8aR,9S)-9-(2-bromo-3,4,5-trimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl 3-bromobenzoate 1449602-08-7 C29H24Br2O9
    (5R,5aR,8aR,9S)-9-(2-bromo-3,4,5-trimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl 3-bromobenzoate
    —— 5-((5,6,7,8-tetrahydroquinolin-8-yl)((1-((2-(trimethylsilyl)ethoxy)methyl)-1H-benzo[d]imidazol-2-yl)methyl)amino)pentanenitrile 1235281-43-2 C28H39N5OSi
    5-((5,6,7,8-tetrahydroquinolin-8-yl)((1-((2-(trimethylsilyl)ethoxy)methyl)-1H-benzo[d]imidazol-2-yl)methyl)amino)pentanenitrile
    —— 5-(tert-butyldimethylsilyloxy)-1-(pyrrolidin-1-yl)hexan-1-one 1453172-02-5 C16H33NO2Si
    5-(tert-butyldimethylsilyloxy)-1-(pyrrolidin-1-yl)hexan-1-one
    —— 5-(4-pyridinyl)-N-[4-(1,2,3-thiadiazol-4-yl)benzyl]-2-thiophenecarboxamide 862697-67-4 C19H14N4OS2
    5-(4-pyridinyl)-N-[4-(1,2,3-thiadiazol-4-yl)benzyl]-2-thiophenecarboxamide
    —— 5-ethoxy-2-(1H-indazol-4-yl)-6-morpholin-4-ylpyrimidine-4-carboxylic acid ethyl ester 1313717-21-3 C20H23N5O4
    5-ethoxy-2-(1H-indazol-4-yl)-6-morpholin-4-ylpyrimidine-4-carboxylic acid ethyl ester
    —— 5-[1-(2-Methoxy-phenyl)-meth-(Z)-ylidene]-2-{[1-(2-methoxy-phenyl)-meth-(Z)-ylidene]-hydrazono}-thiazolidin-4-one 101563-27-3 C19H17N3O3S
    5-[1-(2-Methoxy-phenyl)-meth-(Z)-ylidene]-2-{[1-(2-methoxy-phenyl)-meth-(Z)-ylidene]-hydrazono}-thiazolidin-4-one
    —— 5-Benzyl-2,2,7,7-tetramethyl-1,4-dithia-6-azaspiro<2.4>hept-5-en 145090-46-6 C15H19NS2
    5-Benzyl-2,2,7,7-tetramethyl-1,4-dithia-6-azaspiro<2.4>hept-5-en
    —— 5-(2-Phenylcarbazol-9-yl)-4-oxa-18lambda6-thia-1-azapentacyclo[9.7.1.02,6.07,19.012,17]nonadeca-2,5,7(19),8,10,12,14,16-octaene 18,18-dioxide 1346571-76-3 C34H20N2O3S
    5-(2-Phenylcarbazol-9-yl)-4-oxa-18lambda6-thia-1-azapentacyclo[9.7.1.02,6.07,19.012,17]nonadeca-2,5,7(19),8,10,12,14,16-octaene 18,18-dioxide
    —— 5,6-(3,4-Dichloro-o-phenylenediamino)-2H-benzimidazole-2-spirocyclohexane 120671-50-3 C18H16Cl2N4
    5,6-(3,4-Dichloro-o-phenylenediamino)-2H-benzimidazole-2-spirocyclohexane
    —— 5-methyl-7-cyclopropyl-N-(2,6-difluorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide 136146-20-8 C15H13F2N5O2S
    5-methyl-7-cyclopropyl-N-(2,6-difluorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide
    —— 5-iodo-3-(6-methoxy-1H-benzimidazol-2-yl)pyridin-2-ylamine 1261221-96-8 C13H11IN4O
    5-iodo-3-(6-methoxy-1H-benzimidazol-2-yl)pyridin-2-ylamine
    —— 5-(2-fluoro-4-trimethylsilanylethynylphenylethynyl)-2-phenylethynyl-benzonitrile 518342-86-4 C28H20FNSi
    5-(2-fluoro-4-trimethylsilanylethynylphenylethynyl)-2-phenylethynyl-benzonitrile
    —— 5-bromo-2-acetylamino-pentanoic acid methyl ester 21753-87-7 C8H14BrNO3
    5-bromo-2-acetylamino-pentanoic acid methyl ester
    —— 5-Ethyl-3,5-dimethyl-cyclopent-2-enone 74634-01-8 C9H14O
    5-Ethyl-3,5-dimethyl-cyclopent-2-enone
    —— 5,7-dioxo-2,3,5,7-tetrahydro-[1,4]dithiino[2,3-<i>c</i>]pyrrole-6-carboxylic acid 3-methoxy-anilide 73170-97-5 C14H12N2O4S2
    5,7-dioxo-2,3,5,7-tetrahydro-[1,4]dithiino[2,3-<i>c</i>]pyrrole-6-carboxylic acid 3-methoxy-anilide
    —— 5-amino-1-ethyl-<i>N</i>-hydroxy-1<i>H</i>-imidazole-4-carboximidic acid amide 67790-27-6 C6H11N5O
    5-amino-1-ethyl-<i>N</i>-hydroxy-1<i>H</i>-imidazole-4-carboximidic acid amide
    —— 5-hydroxyethyl-2-thiocytosine 1378801-96-7 C6H9N3OS
    5-hydroxyethyl-2-thiocytosine
    —— 5-<2-Hydroxyaethylamino>-1-methyl-uracil 118112-92-8 C7H11N3O3
    5-<2-Hydroxyaethylamino>-1-methyl-uracil
    —— 5-(3-Chloro-phenyl)-8-methoxy-4-methyl-2,3-dihydro-5H-benzo[f][1,4]oxazepine 4-oxide 117416-61-2 C17H18ClNO3
    5-(3-Chloro-phenyl)-8-methoxy-4-methyl-2,3-dihydro-5H-benzo[f][1,4]oxazepine 4-oxide
    —— 5,5'-dimethoxy-2,2'-(6-styryl-[1,3,5]triazine-2,4-diyl)-bis-phenol 6887-15-6 C25H21N3O4
    5,5'-dimethoxy-2,2'-(6-styryl-[1,3,5]triazine-2,4-diyl)-bis-phenol
    —— 5-(3-methyl-2-oxo-5-prop-2-ynyl-[1,3,5]triazinan-1-yl)-[1,3,4]thiadiazole-2-sulfonic acid dimethylamide 57824-81-4 C11H16N6O3S2
    5-(3-methyl-2-oxo-5-prop-2-ynyl-[1,3,5]triazinan-1-yl)-[1,3,4]thiadiazole-2-sulfonic acid dimethylamide
    —— 5-Chloro-2-ethoxy-N-[2-(4-sulfamoyl-phenyl)-ethyl]-thiobenzamide 21322-04-3 C17H19ClN2O3S2
    5-Chloro-2-ethoxy-N-[2-(4-sulfamoyl-phenyl)-ethyl]-thiobenzamide
    —— (5-{4-[2-(4-chlorophenyl)ethyl]piperazin-1-yl}-[1,2,4]thiadiazol-3-yl)cyclohexylamine 1423042-18-5 C20H28ClN5S
    (5-{4-[2-(4-chlorophenyl)ethyl]piperazin-1-yl}-[1,2,4]thiadiazol-3-yl)cyclohexylamine
    —— (5-bromo-pyrimidin-4-yl)-(2-chloro-phenyl)-methanone 228548-10-5 C11H6BrClN2O
    (5-bromo-pyrimidin-4-yl)-(2-chloro-phenyl)-methanone
    —— 5-methyl-2-((E)-((E)-3-phenylallylidene)amino)phenol 1187781-21-0 C16H15NO
    5-methyl-2-((E)-((E)-3-phenylallylidene)amino)phenol
    —— 5-[4-(N-benzylmethylsulfonylamino)phenyl]-4-(4-chlorophenyl)-3-hydroxy-2(5H)-furanone 862252-70-8 C24H20ClNO5S
    5-[4-(N-benzylmethylsulfonylamino)phenyl]-4-(4-chlorophenyl)-3-hydroxy-2(5H)-furanone
    —— 5-amino-2-(2,6-difluorophenyl)-N-(5-((4-hydroxypentyl)oxy)isothiazol-4-yl)thiazole-4-carboxamide 1422395-12-7 C18H18F2N4O3S2
    5-amino-2-(2,6-difluorophenyl)-N-(5-((4-hydroxypentyl)oxy)isothiazol-4-yl)thiazole-4-carboxamide
    —— 5-amino-2-(2,6-difluorophenyl)-N-(5-(4-(methylamino)butoxy)isothiazol-4-yl)thiazole-4-carboxamide 1422395-23-0 C18H19F2N5O2S2
    5-amino-2-(2,6-difluorophenyl)-N-(5-(4-(methylamino)butoxy)isothiazol-4-yl)thiazole-4-carboxamide
    —— 5-[2-(4-Chloro-phenyl)-2-oxo-eth-(E)-ylidene]-3-hydroxy-imidazolidine-2,4-dione 121400-66-6 C11H7ClN2O4
    5-[2-(4-Chloro-phenyl)-2-oxo-eth-(E)-ylidene]-3-hydroxy-imidazolidine-2,4-dione
    —— 5-cyclohexyl-3-methyl-2-methylimino-oxazolidin-4-one 91216-44-3 C11H18N2O2
    5-cyclohexyl-3-methyl-2-methylimino-oxazolidin-4-one
    —— 5-benzylaminomethyl-3,7-dibromo-tropolone 100915-46-6 C15H13Br2NO2
    5-benzylaminomethyl-3,7-dibromo-tropolone
    —— 5-Methylamino-3-aethoxy-1,2,4-thiadiazol 89417-88-9 C5H9N3OS
    5-Methylamino-3-aethoxy-1,2,4-thiadiazol
    —— 5-Amino-1-essigsaeureimidazol-4-carbonsaeure 31665-63-1 C6H7N3O4
    5-Amino-1-essigsaeureimidazol-4-carbonsaeure
    —— 5-(4-tert-Butoxy-phenyl)-3-((E)-styryl)-pyrazin-2-ylamine 344940-72-3 C22H23N3O
    5-(4-tert-Butoxy-phenyl)-3-((E)-styryl)-pyrazin-2-ylamine
    —— 5-[2-(5-amino-2-chlorophenyl)-ethyl]-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid methyl ester 1616689-69-0 C17H16ClN3O2
    5-[2-(5-amino-2-chlorophenyl)-ethyl]-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid methyl ester
    —— 5-Carbamyl-3.4-dicyano-2-hydroxyaminofuran 89642-03-5 C7H4N4O3
    5-Carbamyl-3.4-dicyano-2-hydroxyaminofuran
    —— 5-Chloro-2-(chloromethyl)-3-phenylpyridine 1227496-79-8 C12H9Cl2N
    5-Chloro-2-(chloromethyl)-3-phenylpyridine
    —— 5-chloro-3-methoxy-1H-pyrazine-2-thione 1015075-08-7 C5H5ClN2OS
    5-chloro-3-methoxy-1H-pyrazine-2-thione
    —— 5-Bromo-2H-[1,4]thiazin-3-ylamine 41400-71-9 C4H5BrN2S
    5-Bromo-2H-[1,4]thiazin-3-ylamine
    —— 5,6-dihydro-2-pentyl-6-phenylimidazo[2,1-b]thiazole 135857-99-7 C16H20N2S
    5,6-dihydro-2-pentyl-6-phenylimidazo[2,1-b]thiazole
    —— 5-<<3-(octadecyloxy)phenyl>carbamoyl>-cis,cis-1,3,5-trimethylcyclohexane-1,3-dicarboxylic anhydride 135365-32-1 C36H57NO5
    5-<<3-(octadecyloxy)phenyl>carbamoyl>-cis,cis-1,3,5-trimethylcyclohexane-1,3-dicarboxylic anhydride
    —— 5-(2,3-di-O-acetyl-5-deoxy-4-methoxy-α-L-lyxofuranosyl)-1,3-dimethyluracil 116700-66-4 C16H22N2O8
    5-(2,3-di-O-acetyl-5-deoxy-4-methoxy-α-L-lyxofuranosyl)-1,3-dimethyluracil
    —— 5-Cyclohexyloxy-1-methyl-cyclohexen-(1) 91975-23-4 C13H22O
    5-Cyclohexyloxy-1-methyl-cyclohexen-(1)