Showing structure for methyl (14e)-14-ethylidene-19-(hydroxymethyl)-6-methoxy-2-methyl-18-oxa-2,12-diazahexacyclo[9.6.1.1⁹,¹⁵.0¹,⁹.0³,⁸.0¹²,¹⁷]nonadeca-3,5,7-triene-19-carboxylate