Methyl 5-fluoro-3-nitro-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 3-(difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine-6-carboxylate
4-Bromo-5-hydroxy-3-(trifluoromethoxy)pyridine-2-methanol
Ethyl 2-bromo-3-chloro-5-(difluoromethyl)pyridine-4-carboxylate