6-(Difluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine-2-acetonitrile
2-(Difluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine-6-acetonitrile
2-(Difluoromethyl)-3-methyl-6-(trifluoromethoxy)pyridine-5-acetonitrile
2-(Difluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-6-acetonitrile