RADIOLABELED COMPOUNDS

摘要

The present invention relates to radiolabeled compounds of formula I;;wherein R1, R2, R3 and R4 are as defined herein.

主权项

1. A radiolabeled compound of formula I wherein R1 and R2 are independently selected from C1-7 alkyl, C1-7 haloalkyl, R1 and R2, together with the nitrogen atom to which they are attached, form heterocycloalkyl, R3 is C1-7 alkyl, R4 is hydrogen, C1-7 alkoxy or C1-7 haloalkoxy and wherein either R1, R2, R3 or R4 is labeled with a radionuclide selected from 3H, 11C and 18F.