Ethyl 1-(2,4-difluorophenyl)-7-chloro-6-fluoro-4-oxopyridino[2,3-b]pyridine-3-carboxylate

(R)-(4,4-Difluoropyrrolidin-2-yl)methanol hydrochloride

1-Bromo-2-fluoro-5-methoxy-4-nitrobenzene

Ethyl 3,3,3-trifluoropropanoate

3-Bromo-4,5-difluoronitrobenzene

3-(R)-Boc-amino-4-(2,4,5-trifluoro-phenyl)butyric acid methyl ester