Goodman MM, Chen P, Plisson C, Martarello L, Galt J, Votaw JR, Kilts CD, Malveaux G, Camp VM, Shi B, Ely TD, Howell L, McConathy J, Nemeroff CB. Synthesis and characterization of iodine-123 labeled 2beta-carbomethoxy-3beta-(4'-((Z)-2-iodoethenyl)phenyl)nortropane. A ligand for in vivo imaging of serotonin transporters by single-photon-emission tomography. J Med Chem. 2003 Mar 13; 46(6):925-35.