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