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

pyrazolone

/pʌɪˈrazələʊn/ /pɪˈrazələʊn/

Chemistry

noun

Any of a group of compounds which are keto derivatives of pyrazolines; a substituted derivative of such a compound, especially one used as an azo dye or as an anti-inflammatory or antipyretic drug.

The chief pyrazolone (more fully 5-pyrazolone), NH—N=CH—CH₂CO, is a weakly acidic, crystalline solid..

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From pyrazole + -one, after German Pyrazolon.

单词	pyrazolone
释义	pyrazolone /pʌɪˈrazələʊn/ /pɪˈrazələʊn/ Chemistry noun Any of a group of compounds which are keto derivatives of pyrazolines; a substituted derivative of such a compound, especially one used as an azo dye or as an anti-inflammatory or antipyretic drug. The chief pyrazolone (more fully 5-pyrazolone), NH—N=CH—CH₂CO, is a weakly acidic, crystalline solid.. Origin Late 19th century; earliest use found in Journal of the Chemical Society. From pyrazole + -one, after German Pyrazolon.
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