1H-Phenalene, 2,3,3a,4,5,6,8,9,9a,9b-decahydro-1-isocyano-1,4,7-trimethyl-6-(2-methyl-1-propenyl)-, (1S,3aR,4S,6S,9aS,9bR)- AIDS-094968 AIDS094968