Methyl 4-amino-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-amino-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
3-Bromo-6-chloro-2-nitro-4-(trifluoromethoxy)pyridine
5-Bromo-2-chloro-4-nitro-3-(trifluoromethoxy)pyridine