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. Author manuscript; available in PMC: 2009 Jun 25.
Published in final edited form as: Bioorg Med Chem Lett. 2008 Apr 8;18(9):2840–2844. doi: 10.1016/j.bmcl.2008.03.079

Table 2.

The inhibitory activities of the Schiff base analogs

graphic file with name nihms50552f7.jpg

Comp R R' X IC50(μM)a
12a H CH3 O >44
12b H H O >44
12c H CH3 S >44
12d H H S 34.0
17a CH2CO2H H O 36.0
17b CH2CO2H H S >44
a

IC50 values are determined from a single experiment performed in triplicate