Skip to main content
. 2021 Jan 28;26(3):689. doi: 10.3390/molecules26030689

Figure 2.

Figure 2

LC-MS/MS multiple reaction monitoring (MRM) chromatograms of a H. europaeum extract (whole plant). Annotation is as shown in Figure 1. NO = the N-oxide form. * denotes the 13C2-isotopomer of 7NO. IS = internal standard. Compounds between brackets are masked in the chromatogram.