Methyl (2S)-2-[[(2S)-2-[[(2S,3S)-2-[[(3S,4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-5-(diaminomethylideneamino)-2-[[(2S)-5-(diaminomethylideneamino)-2-(phenylmethoxycarbonylamino)pentanoyl]amino]pentanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-3-hydroxy-6-methylheptanoyl]amino]-3-methylpentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-6-[(2-methylpropan-2-yl)oxycarbonylamino]hexanoate