Synonyms: 6H-Furo[2,3-h]-2-benzopyran-6,8(6aH)-dione,9-acetyl-5-chloro-3-(3,5-dimethyl-1,3-heptadienyl)-9,9a-dihydro-6a-methyl-,[6aR-[3(1E,3E,5S*),6aa,9b,9aa]]-; 6H-Furo[2,3-h]-2-benzopyran-6,8(6aH)-dione,9-acetyl-5-chloro-3-[(1E,3E,5S)-3,5-dimethyl-1,3-heptadienyl]-9,9a-dihydro-6a-methyl-,(6aR,9S,9aR)- (9CI); Isochromophilone Ia