CNC(=O)CN1CC(OC)(C(=O)Nc2cncc3ccccc23)c2cc(Cl)ccc2C1=O
CNC(=O)CN1CC(C(=O)Nc2cncc3ccccc23)c2cc(Cl)ccc2C1=O
CNC(=O)CN1CC(C(=O)Nc2cncc3ccccc23)c2cc(Cl)c(F)cc2C1=O
Combine potency of MAT-POS-4223bc15-23 with the possibility of removing the benzylic metabolic soft spot. In Quaternary-H, Ome forms and the S2 ring Cl and Cl, F rings.