Methyl 3-hydroxy-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-carboxylate
4-Bromo-6-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride
Ethyl 3-bromo-2-(difluoromethyl)-4-nitropyridine-6-acetate
Methyl 2-(bromomethyl)-5-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate