4-((2- ((3-(1H-indol-3-yl)-2-methyl-1-oxo-2-(((tricyclo(3.3.1.1(3,7))dec-2-yloxy)carbonyl)amino)propyl)amino)-1-phenylethyl)amino)-4-oxo-2-butenoic acid
4-((2- ((3-(1h-indol-3-yl)-2-methyl-1-oxo-2-(((tricyclo(3.3.1.1(3,7))dec-2-yloxy)carbonyl)amino)propyl)amino)-1-phenylethyl)amino)-4-oxo-2-butenoic acid