dimethyl 2,7-dimethyloct-4-enedioate

2,7-bis(ethoxycarbonyl)-2,7-dimethyl-4-octenedioic acid diethyl ester

2,6,10-trimethyl-2,5,9-undecanetriene-1-aldehyde

柠檬醛

ψ,ψ-carotene, 5,6,9,10,13,14,14',13',10',9',6',5'-hexa-cis(?)-lycopene