| 2I1R: reference: Novel thiazolones as HCV NS5B polymerase allosteric inhibitors: Further designs, SAR, and X-ray complex structure., Yan S, Larson G, Wu JZ, Appleby T, Ding Y, Hamatake R, Hong Z, Yao N, Bioorg Med Chem Lett. 2006 Oct 4;. PMID: 17049849 |
This OCA 
Structure page
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(documentation).