Fig. 7.

The chemical structure of the repurposed drugs for treatment of the COVID-19 patients. A number of drugs including anti-malarial/anti-parasitic (Chloroquine, hydroxychloroquine, and emetine), anti-myelofibrosis (Ruxolitinib), anti-viral/anti-retroviral (Tenofovir, Lopinavir, Ritonavir, Baloxavir, Remdesivir, Ribavirin, Darunavir, Oseltamivir, Arbidol, and Favipiravir), and anti-rheumatoid arthritis (Anakinra, Barcitinib, Methylprednisolone, Naproxene, and Tofacitinib) are the drugs that have been extensively in use for the treatment of COVID-19 patients