Tannins, flavonol sulfonates, and a norlignan from phyllanthus virgatus

Huang1, Chen, Hsu

  • 1Graduate Institute of Pharmaceutical Sciences, Taipei Medical College, No. 250, Wu-Hsing St., Taipei, Taiwan, Republic of China, and National Research Institute of Chinese Medicine, No. 155-1, Sec. 2, Li Nung St. Peitou, Taipei, Taiwan, Republi.