1,4-Methano-s-indacene-3a(1H)-carboxylic acid, 4-formyl-8a-[[[(3aR,5R,7R,7aS)-hexahydro-7-methyl-3-methylene-2H-furo[2,3-c]pyran-5-yl]oxy]methyl]-4,4a,5,6,7,7a,8,8a-octahydro-7-methyl-3-(1-methylethyl)-, (1R,3aR,4S,4aR,7R,7aR,8aS)- 199013-04-2 AIDS-009766 AIDS009766 GM 237354 GM2 GM237354 GM237354A