Ethyl 2-hydroxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetate
Ethyl 2-hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-acetate
Ethyl 3-hydroxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-acetate
3-Hydroxy-5-nitro-4-(trifluoromethoxy)pyridine-2-methanol