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