Methyl 3-bromo-6-(difluoromethyl)-2-methylpyridine-4-carboxylate
4-Bromo-3-(difluoromethyl)-5-nitro-2-(trifluoromethyl)pyridine
Methyl 3-bromo-6-(difluoromethyl)-4-methylpyridine-2-carboxylate
Methyl 5-bromo-2-(difluoromethyl)-3-methylpyridine-6-carboxylate