109772-52-3 2-Pyrrolidinecarboxamide, N-(1-(((2-amino-2-oxoethyl)amino)methyl)-3-methylbutyl)-, monohydrochloride, (S-(R*,R*))- Pro-leu-psi(CH2NH)gly-NH2 Prolyl-leucyl-psi(methylamino)glycinamide