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