2HH5:
reference: Synthesis and SAR of arylaminoethyl amides as noncovalent inhibitors of cathepsin S: P3 cyclic ethers., Tully DC, Liu H, Chatterjee AK, Alper PB, Epple R, Williams JA, Roberts MJ, Woodmansee DH, Masick BT, Tumanut C, Li J, Spraggon G, Hornsby M, Chang J, Tuntland T, Hollenbeck T, Gordon P, Harris JL, Karanewsky DS, Bioorg Med Chem Lett. 2006 Jul 27;. PMID: 16876402

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