(E)-1-piperidin-1-ylbut-2-en-1-one

1-Piperidino-3-buten-1-one

4-烯丙基磺酰基苯酚

ethyl 2-oxo-1-prop-2-enylcyclohexane-1-carboxylate

4-methyldec-1-en-4-ol