Hussein, F.H., E.S. Al-Lami, and R.E. Al-Hamdany. 2010. “Synthesis of a New Homologous Series of 4-N-Alkoxy-2,3,5,6-Tetramethyl-Phenyl-4’-Nitrobenzene”. Asian Journal of Chemistry 13 (2):757-59. https://asianpubs.org/index.php/ajchem/article/view/22663.