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