2-Hydroxy-6-methoxy-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
6-(Chloromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-acetic acid
6-Hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-(Chloromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-4-acetic acid