Ethyl 3-(fluoromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-6-acetate
4-Methoxy-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylic acid
Ethyl 3-(fluoromethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-2-acetate
4-Methoxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxylic acid