Table 1.

% viability of parasites determined colorimetrically via XTT method after 48 h incubation (10⁶ promastigote/mL) and calculated IC₅₀ (μg/mL) values (N.c: not calculated).

Compound	Concentration (μg/mL)
	1000	500	250	125	62.50	31.25	15.63	7.81	3.91	1.95	0.98	0.49	IC50
5a	72	78	100	100	100	100	100	100	100	100	100	100	N.c
5b	100	100	100	100	100	100	100	100	100	100	100	100	N.c
5c	100	100	100	100	100	100	100	100	100	100	100	100	N.c
5d	30	41	61	100	100	100	100	100	100	100	100	100	239.03
5e	82	100	100	100	100	100	100	100	100	100	100	100	N.c
5f	20	35	100	100	100	100	100	100	100	100	100	100	460.37
5g	100	100	100	100	100	100	100	100	100	100	100	100	N.c
5h	29	46	100	100	100	100	100	100	100	100	100	100	468.01
Drug Control (Amphotericin B)	0	0	0	0	0	0	0	0	0	0	0	0	<0.49
Parasite Control	100	100	100	100	100	100	100	100	100	100	100	100	N.c