| 3TGE: reference: Investigation of the pyrazinones as PDE5 inhibitors: Evaluation of regioisomeric projections into the solvent region., Hughes RO, Maddux T, Joseph Rogier D, Lu S, Walker JK, Jon Jacobsen E, Rumsey JM, Zheng Y, Macinnes A, Bond BR, Han S, Bioorg Med Chem Lett. 2011 Nov 1;21(21):6348-52. Epub 2011 Aug 31. PMID: 21955943 |
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