s-triazolo(1,5-a)pyrimidin-7-ol, 2-ethyl-5-propyl-6- ((2'-(1H-tetrazol-5-yl)(1,1'-biphenyl)-4-yl)methyl)-

8-ethyl-4-propyl-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-1,5, 7,9-tetrazabicyclo[4.3.0]nona-3,5,7-trien-2-one