2-Bromo-3-(chloromethyl)-5-(difluoromethyl)-4-methylpyridine
5-Bromo-3-(difluoromethyl)-2-methoxy-4-(trifluoromethyl)pyridine
2-Bromo-3-(chloromethyl)-4-(difluoromethyl)-5-methylpyridine
5-Bromo-3-(difluoromethyl)-4-methoxy-2-(trifluoromethyl)pyridine