Showing structure for (2s,3s,6s)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.0²,⁶.0⁶,¹⁰.0¹⁵,¹⁹]icosa-1(20),4,13,15(19)-tetraen-3-yl 1-methyl (2s,3r)-2,3-dihydroxy-3-(3-hydroxy-3-methylbutyl)butanedioate