Methyl 5-hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate
Methyl 3-hydroxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetate
Methyl 2-hydroxy-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetate
3-(Difluoromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-acetonitrile