Table 3.

Cytotoxic activity (Concentration of drug causing 50% inhibition of cell growth) data of amides, S21, S22, S23 and CA-4 by SRB method.

Com.	MCF7	DU145	HOP62	HeLa	K562	SK-OV-3	Colo205	MIA-PaCa-2
S21	0.079	0.095	24.8	14.9	28.0	20.9	76.0	64.5
S22	0.056	0.060	0.090	7.5	0.094	0.099	0.099	29.9
S23	0.031	0.045	43.6	29.2	0.099	29.8	74.9	74.0
CA-4	0.033	0.046	0.15	0.008	0.031	31.6	0.025	–