阿齐沙坦杂质6

1H-Benzimidazole-4-Carboxylic Acid, 3-[[2'-(2,5-Dihydro-5-Oxo-1,2,4-Oxadiazol-3-Yl)[1,1'-Biphenyl]-4-Yl]Methyl]-2,3-Dihydro-2-Oxo-, (5-Methyl-2-Oxo-1,3-Dioxol-4-Yl)Methyl Ester