... Volume 155, November 2013, Pages 2–20. ... A similar procedure was used to synthesize 3-[ 18 F]-fluoro-α-fluoromethyl-p-tyrosine which was recognized as ... of trifluoromethyl hypofluorite CF 3 OF to electron deficient olefins have been done by Shumacher and Czarnowski [76], [77 ...