Methyl 3-cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate
4-Fluoro-2-hydroxy-5-nitro-3-(trifluoromethoxy)pyridine
5-Fluoro-3-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine
Methyl 2-cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate