Sar-Glu Unilinker, TEA salt

N-(5-(((3aS, 4S, 5S, 6R, 7R, 7aR)-6-(bis(4-methoxyphenyl)(phenyl)methoxy)-1, 3-dioxo-2-phenyloctahydro-1H-4, 7-epoxyisoindol-5-yl)oxy)-5-oxopentanoyl)-N-methylglycine, triethylamine salt