ethylenodiamino-N,N'-bis(acetocarboxyl)-N,N'-bis(acetyl(1-(3'-aminopropyl)-3-hydroxy-2-methyl-4-pyridinone))
ethylenodiamino-n,n'-bis(acetocarboxyl)-n,n'-bis(acetyl(1-(3'-aminopropyl)-3-hydroxy-2-methyl-4-pyridinone))