2-Butyl-1-[[2'-[2-[[2-butyl-4-chloro-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-imidazol-5-yl]methyl]-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-4-chloro-1H-imidazole-5-methanol