The molecule is an organic anion obtained by deprotonation of the oxadiazolone ring of azilsartan medoxomil. It is a conjugate base of an azilsartan medoxomil.
3-[2-[4-[[2-ethoxy-7-[(5-methyl-2-oxo-1,3-dioxol-4-yl)methoxycarbonyl]benzimidazol-1-yl]methyl]phenyl]phenyl]-1,2,4-oxadiazol-5-olate