1H-Naphtho[1',8a':5,6]pyrano[2,3-e]isoindole-3,11(2H,6H)-dione, 6a,7,8,9,9a,10,12,13-octahydro-5-hydroxy-6a,7,10,10-tetramethyl-, (6aR,7S,9aS,13aS)- AIDS-122739 AIDS122739