4-Hydroxy-3-methyl-6-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Fluoro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-methanol
4-Hydroxy-2-methyl-6-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 2-fluoro-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetate