6318-16-7 735291-94-8 Benzenamine, N,N'-2-pentene-1,5-diylidenebis-, monohydrochloride EINECS 228-660-7 Glutaconaldehyde dianil monohydrochloride N,N'-Pent-2-ene-1,5-diylidenedianiline monohydrochloride NSC 25394