(E,E)-Piperidinium, 3,5-bis{[4-(dimethylamino)phenyl]methylene}-1,1-dimethyl-4-oxo, iodide 122864-73-7 NSC618757 Piperidinium, 3,5-bis[4-[(dimethylamino)phenyl]methylene]-1,1- dimethyl-4-oxo-, iodide