2-ethyl-4-methyl-penta-1,3-diene

2,4-dimethylpent-3-en-2-ol

1-ethoxy-2,4-dibromo-5-methyl-hex-4-en-3-one

2-hydroxy-2,6-dimethyl-hept-5-enoic acid

6,10-二甲基-3-丙-2-亚基-螺[4.5]癸-9-烯-8-酮