Showing structure for (5e)-5-[(2r)-2-[(1s,2s,6r,7r,8r,9s)-2-butyl-7-hydroxy-11-oxa-3-azatetracyclo[5.3.1.0²,⁶.0³,⁹]undecan-8-yl]propylidene]-4-methoxy-3-methylfuran-2-one