6-([1,1'-biphenyl]-2-yl((4-(2-methyl-1,4,5,6-tetrahydrobenzo[b]imidazo[4,5-d]azepine-6-carbonyl)phenyl)amino)methyl)-2-methyl-1,4-dihydrobenzo[b]imidazo[4,5-d]azepin-6-ium
6-([1,1'-biphenyl]-2-yl((4-(2-methyl-1,4,5,6-tetrahydrobenzo[b]imidazo[4,5-d]azepine-6-carbonyl)phenyl)amino)methyl)-2-methyl-1,4-dihydrobenzo[b]imidazo[4,5-d]azepin-6-ium