"Favipiravir \u2013 a Modern Antiviral Drug: Synthesis and Modifications" . "Ebola" . "Anti-RNA virus drugs" . "Hydroxyarenes" . "Pyrazines" . "Organofluorides" . "Experimental drugs" . . "Isomerism" . "Antivirals" . "Biocides" . "Carboxamides" .