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