Showing structure for methyl (12r,14r,18r,19s,20r)-20-hydroxy-11,18-dimethyl-17-oxa-1,11-diazapentacyclo[10.8.1.0²,⁷.0⁸,²¹.0¹⁴,¹⁹]henicosa-2,4,6,8(21),15-pentaene-15-carboxylate