Synonyms: 1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-5-(4-methyl-3-pentenyl)- (9CI); 4-Cyclohexene-1,2-dicarboxylicanhydride, 4-(4-methyl-3-pentenyl)- (6CI,8CI);5-(4-Methyl-3-pentenyl)-4-cyclohexene-1,2-dicarboxylic anhydride; Maleicanhydride-myrcene adduct