5-(Bromomethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetonitrile
6-(Difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-(Bromomethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-3-acetonitrile
2-(Difluoromethyl)-6-iodo-4-(trifluoromethoxy)pyridine-3-carboxylic acid