Flutafuranol, also known as AZD4694 and NAV4694, is a bio-active chemical. AZD4694 shows high affinity for beta-amyloid fibrils in vitro (K(d) = 2.3 + - 0.3 nM). The fluorine-18 labeled AZD4694 may have potential for PET-visualization of cerebral beta-am