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. 2016 May 5;7:11472. doi: 10.1038/ncomms11472

Figure 1. Selected classes and biosynthesis of plant xanthones.

Figure 1

(a) Examples of xanthone-based compounds and their biological activities. (b) Proposed biosynthesis of 1,3,7- and 1,3,5-triHXs. BPS, benzophenone synthase; B3′H, benzophenone 3′-hydroxylase; TXS, trihydroxyxanthone synthase.