Some articles on benzoxepines, benzoxepine:

Mycena Galopus - Chemistry
... of several structurally related antifungal compounds called benzoxepines in the latex of Mycena galopus ... A 2008 publication reported that fatty acid esters of benzoxepine serve as precursors to wound-activated chemical defense ... water called hydrolysis) presumably cleaves the inactive esterified benzoxepines into their active forms, where they can help defend the mushroom against yeasts and parasitic fungi ...