4GB9:
reference: Potent and Highly Selective Benzimidazole Inhibitors of PI3-Kinase Delta., Murray JM, Sweeney Z, Chan B, Balazs M, Bradley E, Castanedo G, Chabot C, Chantry D, Flagella M, Goldstein DM, Kondru RK, Lesnick J, Li J, Lucas MC, Nonomiya J, Pang J, Price S, Salphati L, Safina B, Savy P, Seward E, Ultsch M, Sutherlin D, J Med Chem. 2012 Aug 9. PMID: 22877085

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