1,2-Ethanediamine, N,N'-bis[2-[(6-chloro-2-methoxy-9-acridinyl)amino]ethyl]-, tetrahydrochloride, dihydrate 1,2-Ethanediamine, N,N'-bis[2-[(6-chloro-2-methoxy-9-acridinyl)amino]ethyl]tetrahydrochloride, dihydrate 21141-58-2 NSC194906