1,2-Ethanediamine, N,N'-bis(tricyclo(3.3.1.13,7)dec-1-yl)-, dihydrobromide 81705-94-4 N,N'-(1-Adamantil)ethylenediamine dibromide N,N'-Bis(1-adamantyl)ethylenediamine N,N'-Bis(1-adamantyl)ethylenediamine dihydrobromide NBAED