The fermentation broth was centrifuged and extracted with EtOAc,and then EtOAc extract was subjected to a series of chromatographic separation methods to afford a new compound.

• 发酵液离心后用乙酸乙酯萃取,乙酸乙酯萃取部位通过各种色谱方法分离得到一个新化合物。运用氢谱碳谱以及二维核磁共振光谱鉴定结构。