Synonyms: 3a,6-Methano-3aH-cyclohepta-1,3-dioxol-7(4H)-one,5,6-dihydro-5-(7-methoxy-1,3-benzodioxol-5-yl)-4-methyl-6-(2-propenyl)-,(3aR,4S,5R,6R)-rel-(+)- (9CI);3a,6-Methano-3aH-cyclohepta-1,3-dioxol-7(4H)-one, 5,6-dihydro-5-(7-methoxy-1,3-benzodioxol-5-yl)-4-methyl-6-(2-propenyl)-,(3aa,4a,5b,6a)-(+)-; Isoocobullenone