3N4C:
reference: 6-Phenyl-1H-imidazo[4,5-c]pyridine-4-carbonitrile as cathepsin S inhibitors., Cai J, Baugh M, Black D, Long C, Jonathan Bennett D, Dempster M, Fradera X, Gillespie J, Andrews F, Boucharens S, Bruin J, Cameron KS, Cumming I, Hamilton W, Jones PS, Kaptein A, Kinghorn E, Maidment M, Martin I, Mitchell A, Rankovic Z, Robinson J, Scullion P, Uitdehaag JC, Vink P, Westwood P, van Zeeland M, van Berkom L, Bastiani M, Meulemans T, Bioorg Med Chem Lett. 2010 Aug 1;20(15):4350-4. Epub 2010 Jun 17. PMID: 20598883

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