tert-butyl (4-aminobutyl)(3-((tert-butoxycarbonyl)amino)propyl)carbamate; N1,N4-Bis-Boc-spermidine; N-(4-Aminobutyl)-N-[3-[[(1,1-dimethylethoxy)carbonyl]amino]propyl]-carbamic Acid 1,1-Dimethylethyl Ester; (4-Aminobutyl)[3-[[(1,1-dimethylethoxy)carbonyl]amino]propyl]-carbamic Acid 1,1-Dimethylethyl Ester; N1,N4-Di-(tert-butoxycarbonyl)spermidine
