title: A new depsidone oxyphysodic acid isolated from a lichen Parmelia enteromorphia Ach.
mesh_terms: D002264:Carboxylic Acids / Q000302:isolation & purification; D003990:Dibenzoxepins / Q000302:isolation & purification*; D005561:Formates; D008011:Lichens / Q000032:analysis*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D013055:Spectrophotometry, Infrared
chemical_list: D002264:Carboxylic Acids; D003990:Dibenzoxepins; D005561:Formates