Figure 4From: Simultaneous molecular formula determinations of natural compounds in a plant extract using 15 T Fourier transform ion cyclotron resonance mass spectrometryBase peak chromatograms of LC/FT-ICR MS. Base peak chromatograms of the ginseng extract (A) and the ginsenosides Re (B), Rf (C), and Rc (D). The molecular formulae of three extract compounds are labeled for comparison.Back to article page