4FA6:
reference: Design and synthesis of a novel pyrrolidinyl pyrido pyrimidinone derivative as a potent inhibitor of PI3Kalpha and mTOR., Le PT, Cheng H, Ninkovic S, Plewe M, Huang X, Wang H, Bagrodia S, Sun S, Knighton DR, LaFleur Rogers CM, Pannifer A, Greasley S, Dalvie D, Zhang E, Bioorg Med Chem Lett. 2012 Aug 1;22(15):5098-103. doi:, 10.1016/j.bmcl.2012.05.100. Epub 2012 Jun 6. PMID: 22749419

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