Fig. 5From: Insights of different analytical approaches for estimation of budesonide as COVID-19 replication inhibitor in its novel combinations: green assessment with AGREE and GAPI approachesFirst derivative of the ratio spectra of BUD (6, 8, 10, 12, 14, 16, 18 and 20 µg mL−1) when 10.0 µg mL−1 AZL was used as divisor (at 233, 270 nm)Back to article page