Fig. 4From: Rapid and validated UHPLC method for simultaneous determination of sofosbuvir, ledipasvir and paracetamol as commonly repurposed drugs for COVID-19 treatment: application in spiked human plasmaUHPLC chromatogram of standard solutions of: SOF 10 µg/mL, Rt = 3.28 min, LDV 10 µg/mL, Rt = 2.28 min and PAR 10 µg/mL, Rt = 1.70 minBack to article page