2-(Chloromethyl)-5-(difluoromethyl)-3-methoxy-4-(trifluoromethyl)pyridine
6-(Bromomethyl)-2-(difluoromethyl)-3-methoxy-4-(trifluoromethyl)pyridine
2-(Chloromethyl)-4-(difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridine
2-(Bromomethyl)-6-(difluoromethyl)-3-methoxy-5-(trifluoromethyl)pyridine