Methyl 3-(chloromethyl)-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-acetate
Methyl 5-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetate
4-(Bromomethyl)-6-(difluoromethyl)-3-methyl-2-(trifluoromethyl)pyridine
4-(Bromomethyl)-2-(difluoromethyl)-3-methyl-5-(trifluoromethyl)pyridine