Table 3.

Inhibition constants (K_i, nM) of Aβ plaque-binding ligands^*

Compounds	Ki (nM)	Compounds	Ki (nM)
11 (from Aldrich)	2.3 ± 0.1 a	16	22 ± 6 a
12	7.7 ± 0.8 a	17	32 ± 3 a
13	4.5 ± 0.8 a	18, SB-13	2.4 ± 0.2 b
14	2.0 ± 0.4 a	19	5.0 ± 1.2 c
15	22 ± 3 a	20, n = 2–12	See Figure 3

^*Values (K_i, nM) are adopted from a. ¹³; b. ³⁰ and c. ¹⁸