6-氯-2H-色烯-2-酮

1,4-苯二丙烯酸二乙酯

(E)-3-环己基-2-丙烯酸乙酯

4,5-dimethylcyclopent-4-ene-1,3-dione

ethyl 3,3-diphenylprop-2-enoate