Variabilin【Ircinia】

(5Z)-5-[(6E,10E)-13-(3-Furyl)-2,6,10-trimethyl-6,10-tridecadienylidene]-4-hydroxy-3-methylfuran-2(5H)-one

3-Methyl-4-hydroxy-5-[(1Z,6E,10E)-2,6,10-trimethyl-13-(3-furyl)-6,10-tridecadiene-1-ylidene]furan-2(5H)-one