5,6-Diaza-8b-azoniaacenaphthylene, 3-[[[(1R)-6-[(2aS,4R,7S,8aR)-1,2,2a,3,4,5,6,7,8,8a-decahydro-7-methyl-5,6-diaza-8b-azoniaacenaphthylen-4-yl]-1-methylhexyl]oxy]carbonyl]-1,2,2a,3,4,5,6,7,8,8a-decahydro-4-methyl-7-nonyl-, (2aS,3R,4R,7R,8aS)- AIDS-221589 AIDS221589