81253-96-5 Benzo(lmn)(3,8)phenanthroline-2,7-diacetamide, alpha,alpha'-bis(4-aminobutyl)-1,3,6,8-tetrahydro-1,3,6,8-tetraoxo-N,N'-bis(tricyclo(3.3.1.1(3,7))dec-1-yl)-, dihydrobromide alpha,alpha'-Bis(4-aminobutyl)-1,3,6,8-tetrahydro-1,3,6,8-tetraoxo-N,N'-bis(tricyclo(3.3.1.1(3,7))dec-1-yl)benzo(lmn)(3,8)phenanthroline-2,7-diacetamide dihydrobromide