6FTN:
reference: Discovery of Highly Isoform Selective Orally Bioavailable Phosphoinositide 3-Kinase (PI3K)-gamma Inhibitors., Pemberton N, Mogemark M, Arlbrandt S, Bold P, Cox RJ, Gardelli C, Holden NS, Karabelas K, Karlsson J, Lever S, Li X, Lindmark H, Norberg M, Perry MWD, Petersen J, Rodrigo Blomqvist S, Thomas M, Tyrchan C, Westin Eriksson A, Zlatoidsky P, Oster L, J Med Chem. 2018 Jun 18. doi: 10.1021/acs.jmedchem.8b00447. PMID: 29852070

This OCA Structure page
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