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. Author manuscript; available in PMC: 2015 Jul 24.
Published in final edited form as: Bioorg Med Chem Lett. 2010 Aug 5;20(19):5749–5752. doi: 10.1016/j.bmcl.2010.08.001

Table 1.

Ki values and EC50 and Emax to kappa opioid receptor

Sample Ki (nM) (n =3) EC50 (nM) (n = 3 and 4) Emax(% of U50,488H)
3a >1000
4a >1000
5a 422± 44 1966 ± 94 87
6a 198 ± 43 648 ± 152 92
3b 197 ± 14 539 ± 50 77
4b 167 ± 6.5 673 ± 111 112
5b 42.3 ± 3.3 282 ± 8.5 90
6b 245 ± 14 239 ± 23 46
6c 51.6 ± 0.9 266 ± 40 124
4c 24.3 ± 0.9 83.3 ± 10.9 103
5c >1000
1 7.5 ± 1.7 106
U50,488H 1.2 ± 0.3 6.3 ± 0.7 100