Bernède, J. C., O. Eduardo, A. M. Ramirez, C. Linda, L. Guy, D. Fernando, and D. V. Maria Angelica. “ Amino-Fluorene-Thiophene Derivatives to Be Proposed As Polarity Indicators”. JOURNAL OF ADVANCES IN CHEMISTRY, vol. 15, no. 1, May 2018, pp. 6150-72, doi:10.24297/jac.v15i1.7339.