3-Bromo-2-(difluoromethyl)-6-methyl-5-(trifluoromethyl)pyridine
4-Bromo-2-(difluoromethyl)-3-iodo-5-(trifluoromethyl)pyridine
3-Bromo-2-(difluoromethyl)-5-methyl-6-(trifluoromethyl)pyridine
3-Bromo-2-(difluoromethyl)-4-methyl-6-(trifluoromethyl)pyridine