英语词汇“pyrone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pyrone
释义	py·rone \ˈpīˌrōn\ noun (-s) Etymology: International Scientific Vocabulary pyr- + -one 1. : either of two isomeric carbonyl compounds C₅H₄O₂ derived from pyran: a. : an oily liquid delta-lactone; 2H-pyran-2-one — called also alpha-pyrone, 2-pyrone; compare coumalin, coumarin b. : a hygroscopic crystalline compound; 4H-pyran-4-one — called also gamma-pyrone, 4-pyrone; compare chromone; structural formula 2. : a derivative of either of the pyrones
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