(2S)-5-[[amino-[(2,2,4,6,7-pentamethyl-3H-1-benzofuran-5-yl)sulfonylamino]methylidene]amino]-2-[[(2R)-4-[(2-methylpropan-2-yl)oxyamino]-2-(naphthalen-2-ylmethyl)-4-oxobutanoyl]amino]pentanoic acid

(2S)-5-[[amino-[(2,2,4,6,7-pentamethyl-3H-1-benzofuran-5-yl)sulfonylamino]methylidene]amino]-2-[[(2R)-4-[(2-methylpropan-2-yl)oxyamino]-2-(naphthalen-2-ylmethyl)-4-oxobutanoyl]amino]pentanoic acid