“Three compounds (14, … 19) sharing a para-aminobenzoic acid moiety showed more potent trypanocidal … the commercially available drugs nifurtimox and benznidazole in both strains: the lysis concentration of 50% of the population (LC50) was <… µM on the NINOA strain, and LC50 < 0.22 µM on the INC-5 strain.”