2-烯丙基环己酮

1,2,5,6,7,8-hexahydropyrrolizin-3-one

2-丙炔-1-基1-吡咯烷羧酸酯

alpha-2-丙烯-1-基-苯乙醛

2-prop-2-enylcyclopentan-1-one