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