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