Johnson, R. P. (2008). The kinetics of simple elimination reactions. Journal of Chemical Education, 85(4), 523. Katritzky, A. R., & Pozharskii, A. F. (2000). Handbook of Heterocyclic Chemistry. Academic Press. Katzung, B. G., Masters, S. B., & Trevor, A. J. (2012). Basic and Clinical Pharmacology. McGraw-Hill Medical.