s-triazolo(1,5-a)pyrimidine, 5,7-dimethyl-6-((2'-(1H-tetrazol-5-yl)(1,1'-biphenyl)-4-yl)methyl)-

2,4-dimethyl-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-1,5,7,9- tetrazabicyclo[4.3.0]nona-2,4,6,8-tetraene