Methyl 4-amino-2-methyl-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 6-amino-3-methyl-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 2-amino-5-methyl-3-(trifluoromethoxy)pyridine-6-acetate
Methyl 6-amino-4-methyl-2-(trifluoromethoxy)pyridine-3-acetate