The molecule is a quaternary ammonium ion that is quinuclidine substituted at positions 1 and 4 by 2-(benzyloxy)ethyl and hydroxy(diphenyl)methyl groups respectively. It has a role as a muscarinic antagonist.
diphenyl-[1-(2-phenylmethoxyethyl)-1-azoniabicyclo[2.2.2]octan-4-yl]methanol