Synonyms: 6H-2-Benzopyran-6-one,5-chloro-3-(3,5-dimethyl-1,3-heptadienyl)-7,8-dihydro-7-hydroxy-7-methyl-8-(2-oxopropyl)-,[7R-[3(1E,3Z,5S*),7a,8a]]-; 6H-2-Benzopyran-6-one,5-chloro-3-[(1E,3Z,5S)-3,5-dimethyl-1,3-heptadienyl]-7,8-dihydro-7-hydroxy-7-methyl-8-(2-oxopropyl)-,(7R,8R)- (9CI); Isochromophilone IIb