Table 1.

Evaluation of anti-proliferative activity

Compound	Structure	MCF-7[a]	SKBr3[a]	HCT-116[a]
2		1.3±0.59	0.68±0.10	3.68±0.41
3		>50	>50	>50
13		>50	>50	>50
4		2.61±0.98	3.54±0.43	3.57±0.19
18		7.36±0.82	10.59±1.61	6.43±0.18
23a		3.59±0.068	3.64±0.20	4.50±0.99
23b		>50	>50	>50
37a		>50	>50	>50
37b		>50	27.46±0.057	>50
6		2.64±1.04	1.31±0.251	2.90±0.69
7		0.814±0.126	0.894±0.004	0.801±0.091

^[a]= Values are in µM, which represent mean standard deviation for at least two separate experiments performed in triplicate.