Search for "pentafluoroethyl group" in Full Text gives 3 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2015, 11, 2661–2670, doi:10.3762/bjoc.11.286
Beilstein J. Org. Chem. 2015, 11, 16–24, doi:10.3762/bjoc.11.3
Beilstein J. Org. Chem. 2010, 6, 880–921, doi:10.3762/bjoc.6.88