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[(2R,3R,4R,5R,6R)-2-[[(1R,2S,3S,5R)-3-[(2R)-2-[[(4R)-4-Amino-4-carboxybutanoyl]amino]-3-(carboxymethylamino)-3-oxopropyl]sulfanyl-5-hydroxy-2-(2-hydroxy-7-methoxy-5-methyl-4,6-dihydronaphthalene-1-carbonyl)oxy-5-[(4R)-2-oxo-1,3-dioxolan-4-yl]-2,3-dihydro-


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