Showing structure for (12s)-17-hydroxy-18-methoxy-3,5-dioxa-11-azapentacyclo[10.7.1.0²,⁶.0⁸,²⁰.0¹⁴,¹⁹]icosa-1,6,8(20),14(19),15,17-hexaene-11-carbaldehyde