2,4,6,8-Nonatetraenoic acid, 9-(4-methoxy-2,5-dimethylphenyl)-3,7-dimethyl-, (all-E)- 61435-52-7 9-(4-Methoxy-2,5-dimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatetraenoic acid (all-E)-