2-Amino-6-bromo-3-chloro-5-fluorobenzoic acid

2,3-Dimethyl-1,4-difluorobenzene

Ethyl 2-(methylamino)acetate

2-Chloro-4-fluorobenzoic acid

Potassium 2-bromo-2,2-difluoroacetate

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