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