(2E,4E,6E)-8-bromo-2,6-dimethyl-octa-2,4,6-trienal

(2E,4E,6E)-8,8-dimethoxy-3,7-dimethyl-octa-2,4,6-trienal

((2E,4E,6E)-3,7-dimethyl-8-oxoocta-2,4,6-trien-1-yl)triphenylphosphonium bromide