Showing structure for methyl (11r,12'r,15s,24s,25r)-19-methoxy-8,15'-dioxa-4,8',17,19'-tetraazaspiro[heptacyclo[11.10.1.1¹,⁴.0⁷,¹¹.0¹⁷,²⁴.0¹⁸,²³.0¹¹,²⁵]pentacosane-15,17'-hexacyclo[10.9.1.0¹,⁹.0²,⁷.0¹²,¹⁶.0¹⁹,²²]docosane]-2',4',6',9',18,20,22-heptaene-10'-carboxylate