ethyl 3-[2-(2-ethoxy-2-oxoethyl)pyrrolidin-1-yl]propanoate

ethyl 3-phenylsulfanylprop-2-enoate

N-naphthalen-2-ylprop-2-enamide

2-(dibutylamino)ethyl prop-2-enoate

ethyl 2,4-dichlorobutanoate