https://pubchem.ncbi.nlm.nih.gov/compound/4_8_12_17_21_25-Hexaazaoctacosane-1_28-diamine_-4_25-bis_3-aminopropyl_-12_17-_3-_bis_3-_bis_3-amino
4,8,12,17,21,25-Hexaazaoctacosane-1,28-diamine,...
4,8,12,17,21,25-Hexaazaoctacosane-1,28-diamine, 4,25-bis(3-aminopropyl)-12,17-[3-[bis[3-[bis(3-aminopropyl)amino]propyl]amino]propyl]-8,21-bis...
diamine