Showing structure for methyl (2r)-2-hydroxy-2-[(1r,9r,12s,19s)-6-methoxy-8,16-diazapentacyclo[10.6.1.0¹,⁹.0²,⁷.0¹⁶,¹⁹]nonadeca-2,4,6-trien-12-yl]acetate