(E)-2-<(tert-butylamino)methyl>-3-(4-nitrophenyl)prop-2-enoic acid hydrochloride

methyl 2-(4-nitrobenzyl)acrylate

methyl 2-[(R)-{[(R)-1-(4-methoxyphenyl)ethyl]amino}(4-nitrophenyl)methyl]acrylate

methyl 2-[(S)-{[(S)-1-(4-methoxyphenyl)ethyl]amino}(4-nitrophenyl)methyl]acrylate