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