2,4-己二烯腈

12-(3-hydroxy-octa-4,6-dienoyl)-9,10-dimethyl-9,10-dihydro-10,9-oxaazaethano-anthracene

sorbaldehyde dimethylacetal

1,1-dimethoxyhexa-2,4-diene

tetradeca-2,4,6,8,10,12-hexaenal