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