... Susanne Striegler *, Rebekah G. Langston and James D. Barnett 119 Department of Chemistry and Biochemistry ... Chemical shift values are reported relative to the residual signals of these solvents (CDCl 3 , δ ... F = 23.4 Hz), 100.7, 75.9, 73.2, 69.9, 68.0, 60.2; Calcd for C 12 H 14 ...