Zawadiak, Jan, Marek Mrzyczek, and Tomasz Piotrowski. 2011. “Synthesis and Properties of Aromatic 1,3-Diketones and Bis-(1,3-Diketones) Obtained from Acetophenone and Phtalic Acids Esters”. European Journal of Chemistry 2 (3):289-94. https://doi.org/10.5155/eurjchem.2.3.289-294.416.