1,4-Methano-s-indacene-3a(1H)-carboxylic acid, 4-formyl-4,4a,5,6,7,7a,8,8a-octahydro-8a-[[[(3R,5S)-1-[(4-methoxyphenyl)methyl]-5-methyl-3-pyrrolidinyl]oxy]methyl]-7-methyl-3-(1-methylethyl)-, (4aR,7R,7aR)- AIDS-154297 AIDS154297