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