Search for "hydroxychloroquine" in Full Text gives 3 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2022, 18, 1355–1378, doi:10.3762/bjoc.18.141
Beilstein J. Org. Chem. 2022, 18, 524–532, doi:10.3762/bjoc.18.54
Beilstein J. Org. Chem. 2018, 14, 583–592, doi:10.3762/bjoc.14.45