(2aS,3R,4S,7R,8aS)-4-Methyl-3-[({(1R)-1-methyl-6-[(2aS,4R,7S,8aR)-7-methyl-1,2,2a,3,4,5,6,7,8,8a-decahydro-5,6-diaza-8b-azoniaacenaphthylen-4-yl]hexyl}oxy)carbonyl]-7-nonyl-1,2,2a,3,4,5,6,7,8,8a-decahydro-5,6-diaza-8b-azoniaacenaphthylene AIDS-221590 AIDS221590