2(5H)-Furanone, 5-[7b-butylhexahydro-9-methyl-4H-2,2,6-(epoxy[1,3,3]propanetriyl)furo[2,3,4-gh]pyrrolizin-10-ylidene]-4-methoxy-3-methyl-, (5E)- AIDS-148956 AIDS148956 NSC682458