4Y73:
reference: Discovery of 5-Amino-N-(1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide Inhibitors of IRAK4., Lim J, Altman MD, Baker J, Brubaker JD, Chen H, Chen Y, Fischmann T, Gibeau C, Kleinschek MA, Leccese E, Lesburg C, Maclean JK, Moy LY, Mulrooney EF, Presland J, Rakhilina L, Smith GF, Steinhuebel D, Yang R, ACS Med Chem Lett. 2015 Apr 20;6(6):683-8. doi: 10.1021/acsmedchemlett.5b00107., eCollection 2015 Jun 11. PMID: 26101574

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