| 20,22,23,25-tetrakis(acetyloxy)-21-[(acetyloxy)methyl]-26-hydroxy-3,15,26-trimethyl-6,16-dioxo-2,5,17-trioxa-11-azapentacyclo[16.7.1.0<sup>1,21</sup>.0<sup>3,24</sup>.0<sup>7,12</sup>]hexacosa-7,9,11-trien-19-yl pyridine-2-carboxylate(non-preferred name) |
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