N,N'-bis(phenylmethyl)ethane-1,2-diamine benzyl-[2-(benzylamino)ethyl]amine 87170-83-0 140-28-3 Benzathine Benzatin DBED Ethylenediamine, N,N'-dibenzyl- N,N'-Dibenzylethylenediamine NSC5632 Usaf do-53 WLN: R1M2M1R 4-12-00-02321 (Beilstein Handbook Reference) AI3-23851 BRN 0786668 EINECS 205-408-4 NSC 5632 NCGC00166222-01 NSC62936 AIDS-335173 AIDS335173 D35201_ALDRICH N,N′-Dibenzylethylenediamine ST5407880 1,2-Bis(benzylamino)ethane 1,2-Ethanediamine, N,N'-bis(phenylmethyl)-