Azilsartan Impurity K

Chemical Name: O-Desethyl Azilsartan ; 2-oxo-3-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylic acid

Smile: OC(C1=C(N(C(N2)=O)CC3=CC=C(C(C=CC=C4)=C4C(N5)=NOC5=O)C=C3)C2=CC=C1)=O