Methyl 4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-carboxylate
Methyl 3,6-dibromo-2-(difluoromethyl)pyridine-4-carboxylate
2,3-Difluoro-6-(difluoromethyl)pyridine-4-sulfonyl chloride
Methyl 3-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-carboxylate