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