[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S,3R)-2-[[(2S)-5-[[amino-[(2,2,4,6,7-pentamethyl-3H-1-benzofuran-5-yl)sulfonylamino]methylidene]amino]-2-[[(2S)-2-formamido-4-methylsulfanylbutanoyl]amino]pentanoyl]amino]-3-[(2-methylpropan-2-yl)oxy]butanoyl]amino]acetyl]amino]-4-oxo-4-(tritylamino)butanoyl]amino]propanoyl]amino]-3-carboxypropanoyl]-[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-(3-azaniumylpropoxy)phosphoryl]azanide