1044596-89-5
(R)-2-amino-3-(2,4-difluorophenoxy)propionic acid
→
1083157-18-9
(S)-ethyl (6,8-difluoro-4-oxochroman-3-yl)carbamate
1184842-84-9
(S)-3-(2,4-difluorophenoxy)-2-((ethoxycarbonyl)amino)propanoic acid