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