- 3-arylimino-2-indolones are potent and selective galanin GAL3 receptor antagonists. Konkel, M.J., Lagu, B., Boteju, L.W., Jimenez, H., Noble, S., Walker, M.W., Chandrasena, G., Blackburn, T.P., Nikam, S.S., Wright, J.L., Kornberg, B.E., Gregory, T., Pugsley, T.A., Akunne, H., Zoski, K., Wise, L.D. J. Med. Chem. (2006)