Ethyl 6-hydroxy-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate
4-Hydroxy-2-methyl-6-(trifluoromethoxy)pyridine-3-acetic acid
Ethyl 6-hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate
2-(Fluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid