2-(Aminomethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-carboxylic acid
3-(Chloromethyl)-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile
5-(Chloromethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetonitrile
4-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile