10AH-9,10b-epoxy-2H-furo[4,3,2-jk]pyrano[4,3,2-ef][2]benzoxepin-2,6(7H)-dione, 9-(3-furanyl)-2a,4a,7a,8,9,10c-hexahydro-7a-hydroxy-2a,7,10c-trimethyl- AIDS-142889 AIDS142889 NSC661407