N-(4-aminophenethyl)-1-(benzyloxy)-N-(3-(1-(benzyloxy)-N-(4-(1-(benzyloxy)-N-(3-(1-(benzyloxy)-6-oxo-1,6-dihydropyridine-2-carboxamido)propyl)-6-oxo-1,6-dihydropyridine-2-carboxamido)butyl)-6-oxo-1,6-dihydropyridine-2-carboxamido)propyl)-6-oxo-1,6-dihydropyridine-2-carboxamide
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