(R)-tert-butyl 3-(4-(4-chloro-2-(4-(3,3,3-trifluoropropyl)piperazin-1-yl)phenylcarbamoyl)-2,3-difluorobenzylcarbamoyl)thiomorpholine-4-carboxylate

tert-butyl 4-(4-bromo-2-(4-(3,3,3-trifluoropropyl)piperazin-1-yl)phenylcarbamoyl)-2,3-difluorobenzylcarbamate

4-(aminomethyl)-N-(4-bromo-2-(4-(3,3,3-trifluoropropyl)piperazin-1-yl)phenyl)-2,3-difluorobenzamide

4-((tert-butoxycarbonylamino)methyl)-2,3-difluorobenzoic acid