Figure 1From: LC–MS/MS determination and pharmacokinetic study of columbianadin in rat plasma after intravenous administration of pure columbianadin Representative MRM chromatograms of the columbianadin and IS: (a) blank plasma sample, (b) blank plasma sample spiked the columbianadin at LLOQ, and (c) plasma sample at 30 min after intravenous administrated of 5 mg kg −1 columbianadin. Back to article page