Withania abortifacient has already been mentioned in this thread. The link to SARS-CoV-2 is through Zheng-li Shi, Wuhan Institute of Virology, who reported on WSSV in 2006:
Jun 2022 China / WSSV / IPO5 Importin
The pathogenesis of white spot syndrome virus (WSSV) is largely unclear. In this study, we found that actin nucleation and clathrin-mediated endocytosis were recruited for internalization of WSSV into crayfish hematopoietic tissue (Hpt) cells. This internalization was followed by intracellular...
pubmed.ncbi.nlm.nih.gov
' cq Importin alpha/beta.'
Sep 2022 Withaferin A Importin
Withaferin A, a natural steroidal lactone found in the extracts of Withania somnifera, is used extensively in traditional medicine and part of an ancient remedy in ayurvedic medicine. Prior investigations into its mode of action have shown withaferin to be a polyfunctional pharmacophore with the...
pubmed.ncbi.nlm.nih.gov
'Withaferin A is also a covalent inhibitor of IPO5, an importin that translocates cargos from the cytosol to the nucleus.'