133525-12-9 L-Tryptophanamide, N-(3-carboxy-1-oxopropyl)-L-isoleucyl-L-isoleucyl-N-(4-methyl-2-oxo-2H-1-benzopyran-7-yl)- N-(3-Carboxy-1-oxopropyl)-L-isoleucyl-L-isoleucyl-N-(4-methyl-2-oxo-2H-1-benzopyran-7-yl)-L-tryptophanamide Suc-ile-ile-trp-mca Succinyl-ile-ile-trp-methylcoumarinamide Succinyl-isoleucyl-isoleucyl-tryptophyl-methylcoumarinamide