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. 2020 Jun 30;10:10668. doi: 10.1038/s41598-020-67637-8

Figure 2.

Figure 2

Product mass spectra of [M+Na] positive ions of reference standards: (a) Phyltetralin (m/z 439.2002), (b) Phyllanthin (m/z 441.2163), (c) Hypophyllanthin (m/z 453.1798), and (d) Niranthin (m/z 455.1953).