– Gemcitabine Hydrochloride (Gemzar) is a DNA synthesis inhibitor with IC50 of 50 nM, 40 nM, 18 nM and 12 nM in PANC1, MIAPaCa2, BxPC3 and Capan2 cells, respectively,showed potent activity against COVID-19(SARS-COV-2) with EC50 MERS-COV(1.216), SARS-COV(4.9