Fig. 5From: Two novel UPLC methods utilizing two different analytical columns and different detection approaches for the simultaneous analysis of velpatasvir and sofosbuvir: application to their co-formulated tabletTypical chromatogram of VPS in its co-formulated tablet with SFV under the described chromatographic conditions (Method 1 A and B). a VPS 2.5 ng/mL utilizing column A. b VPS 1.0 ng/mL utilizing column BBack to article page