114563-66-5 Cinnamido-2-methyl-5-oxoheptanoyl-prolyl-arginine Cinnamoyl-leu-(C)gly-pro-arg L-Arginine, N2-(1-(7-methyl-1,4-dioxo-5-((1-oxo-3-phenyl-2-propenyl)amino)octyl)-L-prolyl)- N2-(1-(7-Methyl-1,4-dioxo-5-((1-oxo-3-phenyl-2-propenyl)amino)octyl)-L-prolyl)-L-arginine