1(3H)-Isobenzofuranone, 3-propylidene- 17369-59-4 3-PROPYLIDENEPHTHALIDE 3-Propylidene phthalide 3-Propylidene-1(3H)-isobenzofuranone CCRIS 4708 EINECS 241-402-8 FEMA No. 2952 Isopropylidenephthalide Phthalide, 3-propylidene (6CI,8CI) Phthalide, 3-propylidene- Propylidene phthalide Propylidenephthalide