3-(Chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-4-carboxylic acid
2-(Chloromethyl)-3-hydroxy-6-methoxy-5-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-2-hydroxy-3-methoxy-5-(trifluoromethoxy)pyridine
2-(Chloromethyl)-6-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylic acid