Fig. 3From: Quantitative analysis of two COVID-19 antiviral agents, favipiravir and remdesivir, in spiked human plasma using spectrophotometric methods; greenness evaluationa Ratio spectra of FPV (2–24 µg/mL) using 10 µg/mL of RDV as a divisor; b Ratio spectra of RDV (2–24 µg/mL) using 10 µg/mL of FPV as a divisorBack to article page