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