Ethyl 3-hydroxy-5-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
4-(Fluoromethyl)-3-hydroxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
Ethyl 2-hydroxy-6-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 6-hydroxy-4-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate