Showing structure for (1r,17r)-27,38-dimethoxy-16,32-dimethyl-9,25,35,39-tetraoxa-16,32-diazanonacyclo[20.10.3.2¹⁰,¹³.1³,⁷.1⁶,¹¹.1¹⁹,²³.0¹²,¹⁷.0²⁶,³⁴.0²⁹,³³]tetraconta-3,5,7(40),10,12,19,21,23(36),26(34),27,29(33),37-dodecaene