Unver, H.; Karakas, A.; Colak, N.; Cakır, B.; Yuksel, H.; Mehmet Zengin, D. Spectroscopic Properties of 4-Halo-2-(4-chlorophenyliminomethyl)phenol and 4-Halo-2-(4-bromophenyliminomethyl)phenol. ajc 2012, 18, 1935-1942.