Methyl 3-bromo-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Chloro-4-cyano-6-nitro-2-(trifluoromethoxy)pyridine
Methyl 5-bromo-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-bromo-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylate