3P2B:
reference: Identification and structure-activity relationship of 2-morpholino 6-(3-hydroxyphenyl) pyrimidines, a class of potent and selective PI3 kinase inhibitors., Pecchi S, Renhowe PA, Taylor C, Kaufman S, Merritt H, Wiesmann M, Shoemaker KR, Knapp MS, Ornelas E, Hendrickson TF, Fantl W, Voliva CF, Bioorg Med Chem Lett. 2010 Dec 1;20(23):6895-8. Epub 2010 Oct 13. PMID: 21035331

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