(2S,2’S)-2,2’-[[(2S,2’S)-1,1’-[(2S,2’S)-3,3’-Disulfanediylbis(2-methylpropanoyl)]bis(pyrrolidine-2,2’-carbonyl)]bis(azanediyl)]bis(3-phenylpropanoic Acid)

(2S,2’S)-2,2’-[[(2S,2’S)-1,1’-[(2S,2’S)-3,3’-Disulfanediylbis(2-methylpropanoyl)]bis(pyrrolidine-2,2’-carbonyl)]bis(azanediyl)]bis(3-phenylpropanoic Acid)