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