Antileishmanial agent-9 (compound 16c) exhibits potent and selective activity against Leishmania donovani (L. donovani) with an IC50 value of 4.01 μM. In addition, this compound demonstrates relatively low cytotoxicity in L-6 cells, with an IC50 value of 40.1 μM [1].
Antileishmanial agent-4 is a ribonucleoside analogue with potent activity against L.infantum and T.cruzi, having EC 50 values of 0.68 μM and 0.83 μM, respectively [1].