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