O=C1NCC(C(=O)Nc2cncc3c2CCC3)c2cccc(Cl)c21
CN1CC(C(=O)Nc2cncc3c2CCC3)c2cccc(Cl)c2C1=O
O=C1NCC(C(=O)Nc2cncc3c2COC3)c2cccc(Cl)c21
CC1(C)Oc2cncc(NC(=O)C3CNC(=O)c4c(Cl)cccc43)c2O1
MAT-POS-199e2e7c-1 has an enzyme IC50 of 5uM which as a m-Cl phenyl acetic acid derivative is in the top quarter. These analogues should be both more potent and as or more metabolically stable.