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