2-Bromo-3-(chloromethyl)-6-(difluoromethyl)-4-methylpyridine
4-Bromo-6-(difluoromethyl)-3-methoxy-2-(trifluoromethyl)pyridine
2-Bromo-3-(chloromethyl)-5-(difluoromethyl)-4-methylpyridine
5-Bromo-3-(difluoromethyl)-2-methoxy-4-(trifluoromethyl)pyridine