- Synthesis and biological activity of KCB-328 and its analogues: novel class III antiarrhythmic agents with little reverse frequency dependence. Kim, D.I., Kim, H.Y., Kwon, L.S., Park, S.D., Jeon, G.H., Jung, K.Y., Min, J.K., Nam, W.H., Lee, K., Chung, Y.S., Tanabe, S., Kozono, T. Bioorg. Med. Chem. Lett. (1999)