2H-Pyrrolo[1,2-c]pyrimidin-8-ium, 1-amino-4-[[[(1R,7R)-7-[[(3R,4aS)-3,4,4a,5,6,7-hexahydro-3-methyl-2H-pyrrolo[1,2-c]pyrimidin-8-ium-1-yl]amino]-1-methyloctyl]oxy]carbonyl]-4a,5,6,7-tetrahydro-7-[(2S)-2-hydroxyundecyl]-3-methyl-, (4aS,7S)- AIDS-221584 AIDS221584