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Pharmacological properties of N-(3,5-diamino-6-chloropyrazine-2-carbonyl)-N'-4-[4-(2,3-dihydroxypropoxy)phenyl]butyl-guanidine methanesulfonate (552-02), a novel epithelial sodium channel blocker with potential clinical efficacy for cystic fibrosis lung disease.
Hirsh AJ, Zhang J, Zamurs A, Fleegle J, Thelin WR, Caldwell RA, Sabater JR, Abraham WM, Donowitz M, Cha B, Johnson KB, St George JA, Johnson MR, Boucher RC. Hirsh AJ, et al. Among authors: zamurs a. J Pharmacol Exp Ther. 2008 Apr;325(1):77-88. doi: 10.1124/jpet.107.130443. Epub 2008 Jan 24. J Pharmacol Exp Ther. 2008. PMID: 18218832
Design, synthesis, and structure-activity relationships of novel 2-substituted pyrazinoylguanidine epithelial sodium channel blockers: drugs for cystic fibrosis and chronic bronchitis.
Hirsh AJ, Molino BF, Zhang J, Astakhova N, Geiss WB, Sargent BJ, Swenson BD, Usyatinsky A, Wyle MJ, Boucher RC, Smith RT, Zamurs A, Johnson MR. Hirsh AJ, et al. Among authors: zamurs a. J Med Chem. 2006 Jul 13;49(14):4098-115. doi: 10.1021/jm051134w. J Med Chem. 2006. PMID: 16821771