Showing structure for (1r,2s,3s,4r,5s,6r,8s,12r,13r,16s,19s,20s,21s)-14-ethyl-4,6,19-trimethoxy-9,11-dioxa-14-azaheptacyclo[10.7.2.1²,⁵.0¹,¹³.0³,⁸.0⁸,¹².0¹⁶,²⁰]docosan-21-yl acetate