T. E.-S. Ali and A. M. El-Kazak, “Synthesis and antimicrobial activity of some new 1,3-thiazoles, 1,3,4-thiadiazoles, 1,2,4-triazoles and 1,3-thiazines incorporating acridine and 1,2,3,4-tetrahydroacridine moieties”, Eur. J. Chem., vol. 1, no. 1, pp. 6–11, Mar. 2010.