154170-71-5 6H-2-Benzopyran-6-one, 5-chloro-3-[(1E,3E,-5S)-3,5-dimethyl-1,3-heptadienyl]-7,8-dihydro-7-hydroxy-7-methyl-8-(2-oxopropyl)- (7R,8R) AIDS-092930 AIDS092930 Isochromophilone IIa