Are there alternatives to N-alpha-Methyl-L-lysine hydrochloride (CAS: 7431-89-2) in synthesis?

N-alpha-Methyl-L-lysine hydrochloride (CAS: 7431-89-2) can be synthesized as an alternative to other amino acids or lysine derivatives. Commonly, chemists may use L-lysine hydrochloride as a precursor or explore analogs such as N-acetyl-L-lysine to achieve similar functionalities. Other alternative reagents include various amines and aldehydes that can be used in condensation reactions to form similar structures.