2,4,6,8-Nonatetraenoic acid, 9-(4-hydroxy-2,3,6-trimethylphenyl)-3,7-dimethyl-, (all-E)- 65316-65-6 9-(4-Hydroxy-2,3,6-trimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatetraenoic acid Ethyl-all-trans-9-(4-hydroxy-2,3,6-trimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatetraenoate Ro 12-7310 Ro-12-7310