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. Author manuscript; available in PMC: 2012 Sep 10.
Published in final edited form as: Bioorg Med Chem Lett. 2008 Aug 30;18(20):5622–5625. doi: 10.1016/j.bmcl.2008.08.099

Table 1.

Affinity of choline, NONI, bis-pyridinium compounds, and cyclophanes 5a-5d for the BBB choline transporter.

Compds Ki (µM)
5a 15.2
5b 1.4
5c 0.8
5d 33.8
bIQHxI14 29
bIQDI14 9.5
3bIQDDB14 22
NONI13 49
bPiDDB14 36
Choline18 41