https://api.elsevier.com/content/article/pii/S0960894X1500195Xdoi:10.1016/j.bmcl.2015.02.0741-s2.0-S0960894X1500195X10.1016/j.bmcl.2015.02.074S0960-894X(15)00195-XGlycyrrhizic acid derivatives as influenza A/H1N1 virus inhibitors Bioorganic & Medicinal Chemistry LettersJournal0960894X2015-04-1515 April 20150falsefalse