N(omega)-(1-hydroxy-2-oxopropyl)-L-arginine residue(1+)
n(omega)-(1-hydroxy-2-oxopropyl)-l-arginine residue(1+)
An α-amino-acid residue cation obtained by protonation of the guanidine function of <em>N</em><small><sup>ω</small></sup>-(1-hydroxy-2-oxopropyl)-<small>L</small>-arginine resdue.