1,4-Methano-s-indacene-3a(1H)-carboxylic acid, 8a-[[(2,3-anhydro-6-deoxy-4-O-propyl-.beta.-D-mannopyranosyl)oxy]methyl]-4-formyl-4,4a,5,6,7,7a,8,8a-octahydro-7-methyl-3-(1-methylethyl)-, (1R,3aR,4S,4aR,7R,7aR,8aS)- 179233-83-1 AIDS-021088 AIDS021088 GM 211676 GM1 GM211676A