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trimellitic anhydride
chem. 1, 2, 4-苯三甲,羧酸酐; 偏苯三甲,羧酸酐; 1.2.4-苯三甲,羧酸酐
oil 1, 2, 4—苯三酸酐; 偏苯三酸酐
plast. 偏苯三甲酸酐〈固化剂〉
polym. 1,2,4一苯三酸酐