Chemical investigation of the pollen of Typha angustifolia Linn.has led to the isolation of two new nonacosanetriols,7,8,10- nonacosanetriol(1) and 7,9,10-nonac
High performance liquid chromatographic(HPLC) fingerprints of Cassia seed,a traditional Chinese medicine(TCM),were developed by means of the chromatograms at tw