Affinities and Details About Specific Binding and Nonspecific Binding in Autoradiography
| Parameter | RO6958948 | RO6931643 | RO6924963 |
| Affinity (IC50 in nM) | 18.5 | 10.0 | 5.5 |
| Gray matter–to–white matter ratio in AD Braak V | 8 | 5 | 11 |
| Specific binding in gray matter (fmol/mg of protein) | 5,162 | 5,320 | 10,250 |
IC50 = half-maximal inhibitory concentration.