Table 1. Comparison of Binding Affinity of Previously Reported Aβ Imaging Probes for Amylin Aggregates.

Compound	Ki (nM)*
IPBF	2.66 ± 0.554
FPYBF-1	12.5 ± 1.67
IMPY	71.8 ± 10.1
PQ-6	61.4 ± 8.75
AV-45	501 ± 40.8

*Values are the means ± standard errors of 3-4 independent determinations.