Table 1. IC₅₀ value of curcumin analogues on MCF-7/HER2-5 and MCF-7/mock cells .

Compound	IC 50
	MCF-7/HER2-5	MCF-7/mock	HEK293T
Curcumin	52 µM	38 µM	40 µM
PGV-0	32 µM	18 µM	30 µM
PGV-1	14 µM	5 µM	78 µM