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. Author manuscript; available in PMC: 2009 Sep 15.
Published in final edited form as: Bioorg Med Chem Lett. 2008 Aug 14;18(18):4982–4987. doi: 10.1016/j.bmcl.2008.08.022

Table 2.

Inhibitory activities of sulfonamides against FP assay and SKBr3 breast cancer cells a, b

Compd. IC50 (µM) Compd. IC50(µM)
FP SKBr3 FP SKBr3

1 4.5 na 9a 19.4 na
2 0.70 6.5 13 0.55 6.0
6a 4.5 na 17 1.7 4.4
6b 2.5 na 21a 14.5 na
6c 1.3 9.7 21b 31.3 na
6d 1.8 >50 21c 19.6 na
7b 9.4 na 23a 28.0 na
7c 25.0 na 23c 26.0 na
7d 9.5 na 23g 27.0 na
a

Mean of 2 independent determinations.

b

The other compounds which did not show any inhibitory effect up to 50 µM concentration are not shown in this table

na = not tested in SKBr3 cells