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苯甲酸 benzoic acid ( preservatives ）
C6H5COOH,
Benzoic acid occurs naturally in many plants[9] and serves as an intermediate in the biosynthesis of many secondary metabolites. Salts of benzoic acid are used as food preservatives. Benzoic acid is an important precursor for the industrial synthesis of many other organic substances. The salts and esters of benzoic acid are known as benzoates /ˈbɛnzoʊ.eɪt/. Wikipedia
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| 苯甲酸 benzoic acid |