References
1. M.B. Haskali and V.W. Pike, [11C]Fluoroform, a breakthrough for versatile labeling of PET radiotracer trifluoromethyl groups in high molar activity,  Chem Eur J, 2017 23, 8156-8160. 
2.  K. M. Ramos-Torres, Y.-P. Zhou, B. Y. Yang  N. J. Guehl, S. Telu, M. D. Normandin, V. W. Pike, and P. Brugarolas, Syntheses of [11C]2- and [11C]3-trifluoromethyl-4-aminopyridine: potential PET radioligands for demyelinating diseases, RSC Med Chem, accepted manuscript