O=C(Cc1cccc(Cl)c1)Nc1nncc2ccccc12
O=C(Cc1cccc(Cl)c1)Nc1cnnc2ccccc12
O=C(Cc1cccc(Cl)c1)Nc1ncn2ccccc12
O=C(Cc1cccc(Cl)c1)Nc1ncc2ccccn12
Improve isoquinoline hydrogen bond strength by alteration of heterocycle. Also substitution of Cl with nitrile to increase potency.