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CAS号: 56876-58-5 英文名称: 1-(4-oxothiochroman-3-yl)butane-1,2-dione 英文同义词: 1-(4-oxothiochroman-3-yl)butane-1,2-dione;ethyl 2-oxo-2-(4-oxothiochroman-3-yl)acetate;2H-1-Benzothiopyran-3-acetic acid, 3,4-dihydro-α,4-dioxo-, ethyl ester 中文名称: 中文同义词: 分子式: C13H12O4S 分子量: 264.3