5-Fluoro-4-methoxy-2-(trifluoromethyl)pyridine
5-Fluoro-3-methoxy-2-(trifluoromethyl)pyridine
4-Fluoro-5-methoxy-2-(trifluoromethyl)pyridine
4-Fluoro-3-methoxy-5-(trifluoromethyl)pyridine
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