Abstract:
The invention is directed to a compound according to formula (1) wherein R 2 is fluorine, X is nitrogen or carbon and R 3 is an organic group. The invention is also directed to the use of this compound as a precursor for the preparation of a 11 C or 18 F-radio labelled compound. The radio labelled compound may be used in an in vivo diagnostic or imaging method.
Abstract:
The invention is directed to a compound according to formula (1) wherein R 2 is fluorine, X is nitrogen or carbon and R 3 is an organic group. The invention is also directed to the use of this compound as a precursor for the preparation of a 11 C or 18 F-radio labelled compound. The radio labelled compound may be used in an in vivo diagnostic or imaging method.