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