Methyl 3-hydroxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-carboxylate
Methyl 6-hydroxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxylate
3-Iodo-5-nitro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Iodo-4-nitro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine