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

(3-(trimethylsilyl)-1-propen-1-yl)pyrrolidine

trimethyl(1-pyrrolidin-1-ylprop-2-enyl)silane

1,3-diphenyl-2-prop-2-enylpropane-1,3-dione