3-Methoxy-2,4-di-O-methylgyrophoric acid: a novel tridepside from the lichen Parmelia subfatiscens

3-Methoxy-2,4-di-O-methylgyrophoric acid: a novel tridepside from the lichen Parmelia subfatiscens 2,4-Di-O-methylgyrophoric acid and 2,4,5-tri-O-methylhiascic acid. New tridepsides from Parmelia damaziana 5-O-Methylhiascic acid, a new tridepside from Australian lichens 2-O-Acetyltenuiorin, a new tridepside from the lichen Pseudocyphellaria australiensis The identification of further new depsidones in the lichen Parmelia notata Synthesis of New Lichen Tridepsides The Synthesis of New Meta-Depsides From Ramalina Lichens Nordivaricatic acid, a new depside from the lichen Heterodea beaugleholei New metabolites from Australian lichens The Structure of Dissectic Acid, a β-Orcinol meta-Depside From the Lichen Heterodermia dissecta