O=C(C1CCOc2ccc(Cl)cc21)N(CCC(O)S(=O)(=O)O)c1cncc2ccccc12
O=CCCN(C(=O)C1CCOc2ccc(Cl)cc21)c1cncc2ccccc12
O=CCC(=O)N(C(=O)C1CCOc2ccc(Cl)cc21)c1cncc2ccccc12
Covalent binder variation based on previous successful benzopyran-isoquinoline compound MAT-POS-090737b9-1 (racemate of VLA-UCB-50c39ae8-7) and the feline coronavirus inhibitor GC373 and prodrug GC376. These are just 2-3 step syntheses on Manifold.