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