1,2,3,6-Tetrahydro-4-(4-methylpent-3-enyl)phthalic anhydride 1,3-Isobenzofurandione, 3a,4,7,7a-hexahydro-5-(4-methyl-3-pentenyl)- 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-(4-methyl-3-pentenyl)- 29811-04-9 EINECS 249-870-5