5-Amino-4-(difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine
Methyl 2-amino-5-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Amino-6-nitro-5-(trifluoromethoxy)pyridine-3-sulfonamide
Methyl 6-amino-4-fluoro-3-(trifluoromethoxy)pyridine-2-carboxylate