Methyl 3-amino-2-methyl-4-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 6-amino-4-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-amino-5-methyl-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Amino-6-fluoro-3-(trifluoromethoxy)pyridine-5-acetic acid