de Carvalho, C. T., A. B. de Siqueira, E. Y. Ionashiro, M. Pivatto, and M. Ionashiro. “Synthesis and Characterization of Solid 2-Methoxycinnamylidenepyruvic Acid”. Eclética Química, vol. 33, no. 4, Dec. 2008, pp. 61-67, doi:10.26850/1678-4618eqj.v33.4.2008.p61-67.