Check out the latest publication from Prof. Mahesh Lakshman at The City College of New York, CUNY, and colleagues, where they report synthesis and evaluations of 1,4-triazolyl combretacoumarins and desmethoxy analogs.
With a conclusion: “The antiviral activity of the compounds was unremarkable”
https://onlinelibrary.wiley.com/doi/abs/10.1002/ejoc.201900569