A. . Sirikulkajorn, K. . Singhapha, S. . Khamoad, W. . Punyain, and B. . Tomapatanaget, “Cholic Acid Based Anion Receptor Containing NHCarbamosulfonamide Binding Units”., KKU Sci. J., vol. 45, no. 2, pp. 262–275, Jun. 2017.