V. MUGOYELA, S. MUNG’ONG’O, and M. HOOPER, “Synthesis and Potential Trypanocidal Activity of N, N-disubstituted-3-(1-benzenesulphonylindol2-yl and -3-yl) propagylamines”, ECAJPS, vol. 13, no. 3, pp. 72-77, Nov. 2018.