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
3-Hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-4-methanol