110268-28-5

21-[(acetyloxy)methyl]-26-hydroxy-3,15,26-trimethyl-6,16-dioxo-2,5,17-trioxa-11-azapentacyclo[16.7.1.0~1,21~.0~3,24~.0~7,12~]hexacosa-7,9,11-triene-19,20,22,23,25-pentayl pentaacetate (non-preferred name)