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