2-Hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-6-acetic acid
Methyl 2-hydroxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxylate
2-Hydroxy-3-nitro-6-(trifluoromethoxy)pyridine-4-acetic acid
Methyl 3-(difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate