4H,8H-Benzo(1,2-b:3,4-b')dipyran-4-one, 4'-.beta.-D-glucoside, 2-(2,4-dihydroxyphenyl)-5-hydroxy-8,8-dimethyl-3-(3-methyl-2-butenyl)- AIDS-071508 AIDS071508 Morusin-4'-.beta.-D-glucoside