4-(Chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Amino-2-(fluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Bromo-3-(chloromethyl)-6-(trifluoromethoxy)pyridine-4-acetic acid