6H-Furol[2,3-h]-2-benzopyran-6,8(6aH)-dione, 9-avetyl-5-chloro-3-(1E,3EZ, 5S)-3,5-dimethyl-1,3-heptadienyl-9,9a-dihydro-6a-methyl-, (6aR,9S,9aR) AIDS-005904 AIDS005904 Isochromophilone I