et.al. " Synthesis and 11C-radiolabelling of a tropane derivative lacking the 2 beta ester group: a potential pet-tracer for the dopamine transporter " Labelled CPD Radiopharm, vol. 42, 1999, pp. 447-456.Schonbachler R, Ametamey SM, Schubiger PA (1999) Synthesis and [11C]- radio...