Showing structure for (1r,2s,17s)-9,10,23,24-tetramethoxy-3,3,12,17,26-pentamethyl-4,18-dioxa-12,26-diazaheptacyclo[15.11.1.0²,¹⁵.0⁵,¹⁴.0⁶,¹¹.0¹⁹,²⁸.0²⁰,²⁵]nonacosa-5(14),6,8,10,15,19(28),20,22,24-nonaene-13,27-dione