Zambrano, C. H.; Manzano, C. A.; Saltos, A. S.; Dueno, E. E.; Zeller, M. Synthesis of 2,8,14,20-Tetra-N-butylpyrogallol[4]arene and Computational Study Conformational. ACI Av. Cienc. Ing. (Quito) 2010, 2 (2). https://doi.org/10.18272/aci.v2i2.22.