Showing structure for (2r,3r,6s,8r,12r,16s,20r,21s)-14-ethyl-4,6,19,21-tetramethoxy-16-(methoxymethyl)-9,11-dioxa-14-azaheptacyclo[10.7.2.1²,⁵.0¹,¹³.0³,⁸.0⁸,¹².0¹⁶,²⁰]docosane