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