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

Ethyl 2-fluoro-5-methylphenylacetate

1,3-Dichloro-2,4-difluorobenzene

4-Amino-5,6-dimethoxypyrimidine

(3,4-Difluorophenyl)hydrazine hydrochloride

3-Chloro-2,4-difluorobenzaldehyde