- Phthalazinones 2: Optimisation and synthesis of novel potent inhibitors of poly(ADP-ribose)polymerase. Cockcroft, X.L., Dillon, K.J., Dixon, L., Drzewiecki, J., Kerrigan, F., Loh, V.M., Martin, N.M., Menear, K.A., Smith, G.C. Bioorg. Med. Chem. Lett. (2006)