Table 5.

Binding energies of drugs repurposed against COVID-19.

S. No	Drugs	Binding energy (kcal/mol)	Hydrogen bonds
1	Dexamethasone	−7.77	6
2	Hydroxychloroquine	−7.28	2
3	Festinavir	−7.15	3
4	Oseltamivir	−7.01	5
5	Chloroquine	−6.93	1
6	Remdesivir	−6.77	5
7	Azithromycin	−6.14	3
8	Favipiravir	−4.78	7