3,7-Nonadienoic acid, 4,8-dimethyl-, (3E)-

(3aR,7aR)-3a,4,7,7a-tetrahydro-4,4,7a-trimethyl-2(3H)-benzofuranone

bromo-5α hexahydro-3aα,4,5,6,7,7aα (3H) hydroxy-6 trimethyl-4,4,7α benzofurannone-2