2(3H)-FURANONE, 3-ALLYLDIHYDRO-5-METHYL- 3-Allyldihydro-5-methyl-2(3H)-furanone 3926-76-9 4-Allilo-2-metylo-tetrahydrofuranonu-5 [Polish] 4-Allyl-2-methyltetrahydrofuranone-5