4-Bromo-2-fluoro-5-methoxy-3-(trifluoromethoxy)pyridine
5-Bromo-3-fluoro-2-methoxy-4-(trifluoromethoxy)pyridine
3-Bromo-6-chloro-2-methyl-4-(trifluoromethoxy)pyridine
5-Bromo-4-fluoro-2-methoxy-3-(trifluoromethoxy)pyridine
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