Methyl 4-fluoro-6-methoxy-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 4-fluoro-5-methoxy-3-(trifluoromethoxy)pyridine-2-acetate
4-Fluoro-6-methoxy-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-Fluoro-3-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride