5,7-dimethyl-2-propyl-3-[[6-(2H-tetrazol-5-yl)benzo[b][1]benzoxepin-9-yl]methyl]imidazo[5,4-b]pyridine 5,7-dimethyl-2-propyl-3-[[6-(2H-tetrazol-5-yl)-9-benzo[b][1]benzoxepinyl]methyl]imidazo[5,4-b]pyridine 5,7-dimethyl-2-propyl-3-[[6-(2H-1,2,3,4-tetrazol-5-yl)benzo[b][1]benzoxepin-9-yl]methyl]imidazo[5,4-b]pyridine