Two new depsidones,diffractione В(1)and salazinin A(2),and two known compounds,the dibenzofuran derivative usnic acid(3)and depsidone salazinic acid(4),were isolated from Parmelia saxatilis.The structures of the isolated compounds were identified by spectral analysis and comparison with literature data.
Traditional Mongolian medicineParmelia saxatilischemical compound
Xigurigan、Tunuomula、Haliga
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College of Mongolian Medicine and Pharmacy,Inner Mongolia University for Nationalities,996 Xilamulun St,Horqin District,Tongliao,028000,Inner Mongolia,P.R.China