2-(Difluoromethyl)-6-fluoro-3-hydroxypyridine-5-carboxaldehyde
Methyl 2-(difluoromethyl)-4-fluoro-3-methoxypyridine-6-carboxylate
2-(Difluoromethyl)-3-fluoro-6-hydroxypyridine-4-carboxaldehyde
Methyl 2-(difluoromethyl)-3-fluoro-6-methoxypyridine-4-carboxylate