Studies on the Alkaloids of Ligularia japonica;

and Ligularia japonica (Thunb.

Study on chemical constituents from Ligularia stenocephala;

Study on chemical constituents of Ligularia stenocephala;

Morphological and photosynthetic characteristics of Ligularia stenocephala with shading;

Study on the Constituents of Volatile Oils of Changbai Mountain Endemic Species-Ligularia jamesii(Hemsl)Kom.

Study on Preliminary Purification and Scavenging Free Radical Activity of Polysaccharide in Ligularia duciformis;

Three New Eremophilane-Type Sesquiterpenes from Ligularia macrophylla;

Flavonol and monoterpene glycosides from Ligularia macrophylla;

This dissertation mainly deals with the chemical constituents of two folk medicinal plants, Ranunculus sieboldii (Ranunculaceae) and Ligularia macrophylla (Compositae).

Study on the chemical constituents in roots and rhizomes of Ligularia duciforms;

Study on chemical constituents in roots and rhizomes of Ligularia duciforms Ⅱ;