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Secondary metabolites from the genus I Metarhizium i yielded several bioactive compounds, such as metarhiziumoids A and B showed glycosidase inhibitory activity [[3]], omalvin A displayed antibacterial activity [[4]], and destruxin A exhibited phytotoxic activity [[5]]. I Metarhizium marquandii i is an endophytic fungus isolated from the Chinese medicinal plant I Sophora tonkinensis i (Leguminosae) I . i In our ongoing search for biologically active compounds from fungi [[6]-[9]], the metabolites of I M. marquandii i were investigated. At the concentration of 100 g/mL, compound B 2 b showed antifungal activity to all five fungi. Graph Compounds B 1-5 b were evaluated for their antifungal activities against five phytopathogenic fungi, I Alternaria alternaria i , I Alternaria cabbage i , I Cochliobolus miyabeanus i , I Colletotrichum capsici i , I Ceratocystis paradoxa i , using a modified version of the 2-fold serial dilutions method [[15]]. [Extracted from the article]