Showing structure for (1s,15r,17s,18s,19r)-17-(acetyloxy)-5,7-dioxa-12-azapentacyclo[10.6.1.0²,¹⁰.0⁴,⁸.0¹⁵,¹⁹]nonadeca-2,4(8),9-trien-18-yl acetate