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