Showing structure for methyl 2-[13-(hydroxymethyl)-8,16-dimethyl-12-oxo-11-oxa-8,16-diazapentacyclo[7.4.3.2¹⁰,¹³.0¹,⁹.0²,⁷]octadeca-2,4,6-trien-17-yl]but-2-enoate