3-Fluoro-2-iodo-6-(trifluoromethoxy)pyridine-4-carbonyl chloride
4-Fluoro-2-methoxy-3-(trifluoromethoxy)pyridine-5-carbonyl chloride
2-Fluoro-4-iodo-6-(trifluoromethoxy)pyridine-3-carbonyl chloride
6-Fluoro-4-methoxy-3-(trifluoromethoxy)pyridine-2-carbonyl chloride