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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Bioorg Med Chem. 2011 Aug 22;19(19):5749–5755. doi: 10.1016/j.bmc.2011.08.032

Table 1.

Compound ED50 (µM) TD50 (µM)
2 8 95
4 12 55
5 >20 ND
9a 16 120
9b 0.5 2.5
11a > 20 ND
11b > 20 ND
14a > 20 ND
14b 6 40
14c > 20 ND
14d 7 30
14e 10 100
16a > 20 ND
16b > 20 ND
17 8 35
21 >20 ND
*

ND: not determined due to high ED50 value