Synthesis and evaluation of [C-11]LY2795050, an antagonist PET imaging tracer for the kappa opioid receptors. - Ming-Qiang Zheng; Nabeel Nabulsi; Giampaolo Tomasi; Charles Mitch; Steven Quimby; Vanessa N. Barth; Karen Rash; John Masters; Antonio Navarro 003; Eric Seest; Richard E. Carson; Yiyun Huang (NeuroImage, 2010)