Table 1.

Antiproliferative activity of PG, PG-Br, and PG-Br₂ (IC₅₀, µg/mL) after 48 h treatment.

	IC50 (µg/mL)
Cell Line	PG	PG-Br	PG-Br2
MRC-5	1.20 ± 0.04	5.50 ± 0.02	10.00 ± 0.09
A549	1.30 ± 0.02	8.00 ± 0.06	16.00 ± 0.08
A375	1.25 ± 0.04	6.00 ± 0.05	12.00 ± 0.04
MDA-MB-231	0.62 ± 0.01	6.25 ± 0.04	17.00 ± 0.05
HCT116	0.70 ± 0.02	5.00 ± 0.05	10.00 ± 0.08