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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: Phytochem Lett. 2017 Apr 15;20:54–60. doi: 10.1016/j.phytol.2017.03.012

Fig. 4.

Fig. 4

Accurate mass fragmentation spectrum of 3,5,3′-trihydroxy-7,4′-dimethoxy-6,8-C-dimethyl-flavone (2) in the positive polarity. Fragments and molecular formulas were predicted using ACD MS fragmenter (Advanced Chemistry Development, Inc. Toronto, Canada) and compared to experimental data. Bold ions had a mass error within 10 ppm of the associated molecular formula.