1,4-Methano-s-indacene-3a(1H)-carboxylic acid, 8a-[[[2,6-dideoxy-3,4-O-(1-methylethylidene)-b-D-glycero-hexopyranosyl]oxy]methyl]-4-formyl-4,4a,5,6,7,7a,8,8a-octahydro-7-methyl-3-(1-methylethyl)-, (4aR,7R,7aR)- AIDS-180719 AIDS180719