| 单词 | prehnitic acid |
| 释义 | > as lemmasprehnitic acid prehnitic acid n. a colourless, crystalline aromatic acid produced esp. by the oxidation of natural hydrocarbons.Systematic name: 1,2,3,4-benzenetetracarboxylic acid, C6H2(COOH)4.As a result of early confusion, formerly sometimes applied to the isomeric 1,2,3,5-benzenetetracarboxylic acid (mellophanic acid).extracted from prehniticadj.< as lemmas |
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