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Sodium 4-aminosalicylate dihydrate (4-Aminosalicylic acid sodium salt dihydrate)，又称对氨基水杨酸钠二水化合物，是常用的抗结核病药，通过抑制NF-κB和清除自由基起作用，临床上主要用于治疗结核分支杆菌所致的肺结核病。

参考文献

[1] Dinis TC, et al. Action of phenolic derivatives (acetaminophen, salicylate, and 5-aminosalicylate) as inhibitors of membrane lipid peroxidation and as peroxyl radical scavengers. Arch Biochem Biophys. 1994 Nov 15;315(1):161-9.

[2] Zheng J, et al. para-Aminosalicylic acid is a prodrug targeting dihydrofolate reductase in Mycobacterium tuberculosis. J Biol Chem. 2013 Aug 9;288(32):23447-56.

[3] Sy SK, et al. N-acetyltransferase genotypes and the pharmacokinetics and tolerability of para-aminosalicylic acid in drug-resistant pulmonary tuberculosis patients. Antimicrob Agents Chemother. 2015 Jul;59(7):4129-38.

冰袋运输。粉末直接保存于-20℃，有效期3年。建议分装后-20℃干燥保存，避免反复冻融。