5T68:
reference: Synthesis and optimization of furano[3,2-d]pyrimidines as selective spleen tyrosine kinase (Syk) inhibitors., Hoemann M, Wilson N, Argiriadi M, Banach D, Burchat A, Calderwood D, Clapham B, Cox P, Duignan DB, Konopacki D, Somal G, Vasudevan A, Bioorg Med Chem Lett. 2016 Oct 11. pii: S0960-894X(16)31026-5. doi:, 10.1016/j.bmcl.2016.09.077. PMID: 27789138

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