N6-[N2,N6-Bis[(1,1-dimethylethoxy)carbonyl]-L-lysyl]-N2-[(1,1-dimethylethoxy)carbonyl]-L-lysine is an intermediate used in the synthesis of (S)-2,6-Diamino-N-((S)-5-amino-6-oxo-6-(((S)-1-phenylpropan-2-yl)amino)hexyl)hexanamide Trihydrochloride Hydrate (D417735), which is an impurity of Lisdexamfetamine, a substituted amphetamine, and inactive prodrug of the CNS which is used to treat ADHD.