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. Author manuscript; available in PMC: 2013 Apr 2.
Published in final edited form as: Org Biomol Chem. 2010 Jul 29;8(19):4281–4288. doi: 10.1039/c0ob00025f

Table 2.

Structures and affinities of compound 1 and analogues 36–40

graphic file with name nihms452106t9.jpg
Compound R2 R3 Ki/µMa
1 Ethyl H 9.6 ± 0.22
36 Butyl H 12 ± 2.8
37 Ethyl Methyl 55 ± 13
38 Ethyl Ethyl 40 ± 3.1
39 Ethyl Butyl 19 ± 4.7
40 Ethyl Benzyl 14 ± 1.7
a

Ki values are shown as mean ± SEM based on at least three individual measurements.