3D3P:
reference: Pyrazolopyridines as a novel structural class of potent and selective PDE4 inhibitors., Hamblin JN, Angell TD, Ballantine SP, Cook CM, Cooper AW, Dawson J, Delves CJ, Jones PS, Lindvall M, Lucas FS, Mitchell CJ, Neu MY, Ranshaw LE, Solanke YE, Somers DO, Wiseman JO, Bioorg Med Chem Lett. 2008 Jul 15;18(14):4237-41. Epub 2008 May 17. PMID: 18539455

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