Methyl 4-amino-6-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 6-bromo-2-cyano-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 4-amino-2-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-bromo-5-cyano-6-(trifluoromethoxy)pyridine-3-carboxylate