Search for "vicinal difluoride" in Full Text gives 3 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2020, 16, 2663–2670, doi:10.3762/bjoc.16.216
Beilstein J. Org. Chem. 2017, 13, 2883–2887, doi:10.3762/bjoc.13.280
Beilstein J. Org. Chem. 2010, 6, No. 62, doi:10.3762/bjoc.6.62