1,1-dibromo-4-methylpenta-1,3-diene

3,7-dimethyl-1-(3-methylbut-2-enoxy)octa-2,6-diene

3-ethyl-7-methylocta-2,6-dienoic acid

2-acetamido-5-methylhexanoic acid

2,3,6-trimethyl-1,5-heptadiene