Chemical composition analysis of Astragali Radix by HPLC-DAD-MS Chemical composition analysis of Astragali Radix by HPLC-DAD-MS Synthesis of (2′-bromo-4′,5′-dimethoxy-phenyl)-(2,3-dibromo-4,5-dimethoxy-phenyl)-methane as PTP1B inhibitor Separation and Identification of Thellungianin G from the Root of Pimpinella thellungiana Wolff. Studies on chemical constituents in root of Isatis indigotica Ⅲ Chemical constituents from Pleione bulbocodioides Chemical constituents in antiviral fraction of Isatidis Radix and their activities Chemical constituents from Selaginella doederleinii and their bioactivities Chemical constituents from flowers of Incarvillea younghusbandii Chemical constituents of Astragalus membranaceus var. mongholicus Studies on Chemical Constituents in the Peels of Citrus changshan-huyou (I) Studies on the Constituents from the Stems of Spatholobus suberectus Study on the active components of oviposition repellency of Mikania micrantha H.B.K. against citrus red mite, Panonychus citri McGregor Chemical constituents from flowers of Incarvillea younghusbandii Chemical constituents in twigs and leaves of Sabina pingii var. wilsonii Simultaneous Determination of 4 Flavonoids in Extracts of Phyllostachys pubescens Leaves by HPLC Application of multiple techniques in free radical scavenging material screening Application of multiple techniques in free radical scavenging material screening Chemical constituents from Solanum nienkui (I) Chemical constituents of Astragalus membranaceus var. mongholicus Studies on Chemical Constituents of the Root of Pimpinella thellungiana Wolff. Chemical constituents from Solanum nienkui (I) Chemical constituents from rhizomes of Cyperus rotundus