Showing structure for methyl (1r,12r,19s)-12-ethyl-4,5-dimethoxy-8,16-diazapentacyclo[10.6.1.0¹,⁹.0²,⁷.0¹⁶,¹⁹]nonadeca-2,4,6,9,13-pentaene-10-carboxylate