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