Search for "chemically modified oligonucleotides" in Full Text gives 3 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2021, 17, 908–931, doi:10.3762/bjoc.17.76
Beilstein J. Org. Chem. 2016, 12, 2136–2144, doi:10.3762/bjoc.12.203
Beilstein J. Org. Chem. 2015, 11, 763–772, doi:10.3762/bjoc.11.86