143984-57-0 Glycine, N-(1-(3-phenyl-2-((1-L-tyrosyl-L-prolyl)amino)propyl)-L-prolyl)- Tpch2NHPPG Tyr-pro-psi(CH2NH)phe-pro-gly Tyrosyl-prolyl-psi(methylamino)phenylalanyl-prolyl-glycine