Sotetsuflavone is a potent inhibitor of DENV-NS5 RdRp (Dengue virus NS5 RNA-dependent RNA polymerase) with an IC50 of 0.16 μM, is the most active compound of this series.

Seneciphyllinine, a pyrrolizidine alkaloid, is isolated from the roots of Gynura japonica.

Sulforhodamine B sodium salt is a fluorescent dye. It can be used from laser-induced fluorescence to the quantification of cellular proteins of cultured cells.