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. 2021 Aug 26;16:85. doi: 10.1186/s13020-021-00494-3

Fig. 9.

Fig. 9

The proposed fragmentation pathways. a Tectoridin fragmentation, b Irigenin Retro–Diels–Alder (RDA) fragmentation (m/z 361→183), c Xanthone mangiferin fragmentation