2H,6H,10H-Benzo[1,2-b:3,4-b':5,6-b'']tripyan-2-one, 11,12-dihydro-12-hydroxy-4,6,6,10,11-pentamethyl-, (10.alpha.,11.beta.,12.beta.)-(-)- 98524-45-9 AIDS-059984 AIDS059984 Cordatolide B