3-Bromo-5-chloro-4-(trifluoromethoxy)pyridine-2-sulfonamide
2-Bromo-4-cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-Bromo-2-chloro-6-(trifluoromethoxy)pyridine-5-sulfonamide
2-Bromo-3-cyano-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine
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