(5E,7E)-dodeca-5,7-diene

6-but-3-enyl-2-oxo-1H-pyridine-3-carbonitrile

2-(4-but-3-enylpyridin-2-yl)-4-methylpyridine

5-丁基-5-丙-2-烯基-1,3-二嗪农-2,4,6-三酮

4-戊酸叔丁酯