Three New Naphthoquinone Pigments Isolated from the Freshwater Fungus, Astrosphaeriella papuana - Wang, Le; Dong, Jin Yan; Song, Hong-Chuang; Shen, Kai Ze; Wang, Li Mei; Sun, Rong; Wang, Chun Ren; Gao, Yan Xiu; Li, Guo Hong; Li, Lei; Zhang, Ke Qin (Planta Medica, 2009)