Ethyl 2-amino-6-(chloromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
3-Bromo-2-chloro-6-nitro-4-(trifluoromethoxy)pyridine
Ethyl 6-amino-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
3-Bromo-2-chloro-4-nitro-6-(trifluoromethoxy)pyridine