Methyl 5-amino-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 4-amino-3-methyl-5-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-bromo-5-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 4-amino-2-methyl-5-(trifluoromethoxy)pyridine-3-carboxylate