Metamizole是一种吡唑啉酮类非甾体抗炎药（NSAID），通过抑制环氧化酶（COX）发挥解热镇痛作用；其在体内代谢生成的4-甲氨基安替比林是其主要活性代谢产物之一，两者均属于非阿片类镇痛药，常用于疼痛与发热的相关研究。

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-25~-15℃避光保存，有效期3年。

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[2]Burmańczuk A, Kowalski C, Giorgi M, Owen H, Grabowski T. Pharmacokinetic investigations of the marker active metabolites 4-methylamino-antipyrine and 4-amino-antipyrine after intramuscular injection of metamizole in healthy piglets. J Vet Pharmacol Ther. 2016 Dec;39(6):616-620. doi: 10.1111/jvp.12317. Epub 2016 May 20. PMID: 27199202.