2BDF:
reference: Structural basis of Src tyrosine kinase inhibition with a new class of potent and selective trisubstituted purine-based compounds., Dalgarno D, Stehle T, Narula S, Schelling P, van Schravendijk MR, Adams S, Andrade L, Keats J, Ram M, Jin L, Grossman T, MacNeil I, Metcalf C 3rd, Shakespeare W, Wang Y, Keenan T, Sundaramoorthi R, Bohacek R, Weigele M, Sawyer T, Chem Biol Drug Des. 2006 Jan;67(1):46-57. PMID: 16492148

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