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2-[[2-[6-[[(S)-[(2R,3R,4S)-3-Acetamido-4-(diaminomethylideneamino)-6-methoxycarbonyl-3,4-dihydro-2H-pyran-2-yl]-(2-oxo-1,3-dioxolan-4-yl)methoxy]carbonylamino]hexylamino]-2-oxoethyl]-[2-[[2-[6-[[(S)-[(2R,3R,4S)-3-acetamido-4-(diaminomethylideneamino)-6-me


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