2,4,6,8-Nonatetracenoic acid, 9-(2-ethyl-6,6-dimethyl-1-cyclohexen-1-yl)-3,7-dimethyl-, (all-E)- 2,4,6,8-Nonatetraenoic acid, 9-(2-ethyl-6,6-dimethyl-1-cyclohexen-1-yl)-3,7-dimethyl-, all-trans- 74596-94-4 SRI 2712-24 all-trans-9-(2-Ethyl-6,6-dimethyl-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraenoic acid