Ethyl 3-(chloromethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetate
Ethyl 3-bromo-4-(difluoromethyl)pyridine-2-carboxylate
6-(Difluoromethyl)-2-nitropyridine-3-sulfonamide
Ethyl 3-(chloromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-acetate