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