3-amino-propionic acid ethyl ester
ethyl β-alaninate hydrochloride
2-Benzyl-3-(dimethoxy-phosphorylamino)-propionic acid ethyl ester
(4-phenyl-1,2,3-triazole-1-yl)acetic acid ethyl ester
3-(4-{4-[bis(2-chloroethyl)amino]phenyl}butanoylamino)propionic acid ethyl ester