请问 这个是叫什么名字啊

3-甲氧基苯酞 性质：
英文名称:Phthalide-3-acetic acid
英文别名:Phthalidineacetic acid; 1(3H)-Isobenzofuranone-3-acetic acid;
(3-oxo-1,3-dihydro-2-benzofuran-1-yl)acetic acid
CAS:4743-58-2
分子式:C10H8O4
分子量:192.1681[1]
风险术语:R36/37/38:Irritating to eyes,
respiratory system and skin.;
安全术语:S26:In case of contact with eyes,
rinse immediately with plenty of water and seek medical advice.;
S36:Wear suitable protective clothing.;
物化性质:相对密度:1.389g/cm3