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