邻苯二甲酸的两个羧基上的羟基会发生缩水反应，最终生成邻苯二甲酸酐。
The condensation reaction takes place between the two hydroxyl of phthalic acid, and the phthalic acid be converted into phthalic anhydride finally.
邻苯二甲酸的两个羧基上的羟基会发生缩水反应，最终生成邻苯二甲酸酐。
The condensation reaction takes place between the two hydroxyl of phthalic acid, and the phthalic acid be converted into phthalic anhydride finally.
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