Showing structure for (1r,2s,3s,4s,5s,6s,8r,12s,13s,16r,19s,20r,21s)-14-ethyl-2,4-dihydroxy-6,19-dimethoxy-16-methyl-9,11-dioxa-14-azaheptacyclo[10.7.2.1²,⁵.0¹,¹³.0³,⁸.0⁸,¹².0¹⁶,²⁰]docos-17-en-21-yl acetate