“ Convergent synthesis of new N -substituted 2-{[5-(1H -indol-3-ylmethyl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamides as suitable therapeutic agents ”, Braz. J. Pharm. Sci., vol. 51, no. 4, pp. 931–947, Dec. 2015, doi: 10.1590/S1984-82502015000400019.