英文别名3-carboxymethylenephthalide; 3-oxo-delta1,alpha-phthalanaceticacid; PHTHALIDENEACETIC ACID; (2Z)-(3-oxo-2-benzofuran-1(3H)-ylidene)acetic acid; Phthalidyliden-essigsaeure; Phthalylessigsaeure; Phthalylaceticacid; (3-oxo-3H-isobenzofuran-1-ylidene)-acetic acid; phthalidyliden-acetic acid