| 21,22,24-tris(acetyloxy)-19-(benzoyloxy)-25-hydroxy-3,13,14,25-tetramethyl-20-{[(2-methylbutanoyl)oxy]methyl}-6,15-dioxo-2,5,16-trioxa-11-azapentacyclo[15.7.1.01,20.03,23.07,12]pentacosa-7,9,11-trien-18-yl 1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate( |
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