Depsidones (+ "depside" + "one") are chemical compounds that are sometimes found as secondary metabolites in lichens. They are esters that are both depsides and cyclic ethers. An example is norstictic acid.[1]

Chemical structure of the depsidone norstictic acid

References

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  1. ^ Hauck, Markus; Jürgens, Sascha-René; Leuschner, Christoph (2010). "Norstictic acid: Correlations between its physico-chemical characteristics and ecological preferences of lichens producing this depsidone". Environmental and Experimental Botany. 68 (3): 309–313. doi:10.1016/j.envexpbot.2010.01.003.