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