(3-METHYL-5-(2,6,6-TRIMETHYL-1-CYCLOHEXEN-1-YL)PENTA-2,4-DIENYL)TRIPHENYLPHOSPHONIUM BROMIDE, (E,E)-
(3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)penta-2,4-dienyl)triphenylphosphonium bromide, (e,e)-