英文名称
2-{{[N-({4-[2-(N-{(2S)-2-[(tert-butoxy)carbonylamino]-3-(phenylmethylthio)propanoylamino}carbamoyl)ethyl]phenyl}methyl)carbamoyl]methyl}[2-({[N-({4-[2-(N-{(2S)-2-[(tert-butoxy)carbonylamino]-3-(phenylmethylthio)-propanoylamino}carbamoyl)ethyl]phenyl}methyl)carbamoyl]methyl}(carboxymethyl)amino)ethyl]amino}acetic acid