Showing structure for (1r,2s,3r,5r,6s,10s,16r,19r)-2,6-dimethyl-8-azahexacyclo[11.5.1.1¹,⁵.0²,¹⁰.0³,⁸.0¹⁶,¹⁹]icos-13-ene-15,20-dione