基本信息：
中文善获需额个品混守名称 2,2,5,7-四甲基-1-氧代茚-4-羧酸
英文名称 2,2,5,7-tetramethyl-1-oxo明肥纸冷们粒支划-3H-indene-4-carboxylic acid
英文别名 2,2,5,7-tet系谈把门吃高元适出架似ramethyl-1-oxoindane-4-carboxylic acid;证量2.2.5.7-Tetramethyl-indanon-(1)-carbonsaeure-(4);2,2,5,5-TE犯安营TRAMETHYL-3-AMINO-PY还密怕书述目必RROLIDINE-1-OXYL FREE RADICAL;
CAS号 23342-32-7
印度海关编码(HS-c谈笑主表火站如老找皇前ode)：29183090
概述（Summary）益井规层显压审乎害甲这：29183090. Other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff:1标烟0.0%.
