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Siudies on Constituents of Ilex chinensis Sims Determination of iridoid glycosides in Lonicerae Japonicae Flos and its patent medicine Lianhua Qingwen Capsule by dispersive solid phase extraction-HPLC Chemical constituents from stems of Cipadessa cinerascens Chemical constituents of higher fungus Russula foetens Ecdysteroids from the Roots of Serratula chinensis