(2E)-2-[(3,4-Dihydroxyphenyl)methylene]-5-methyl-3(2H)-furanone;Inotilone;(2Z)-2-[(3,4-dihydroxyphenyl)methylene]-5-methyl-3(2H)-furanone;3(2H)-Furanone, 2-[(3,4-dihydroxyphenyl)methylene]-5-methyl-, (2Z)-;2-[(3,4-dihydroxyphenyl)methylidene]-5-methyl-3-furanone;Inotilone, 10 mM in DMSO