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