In potency assays, the relative potency (RP) is the measure of the biological activity of a test product relative to a reference standard. It is calculated as the horizontal difference between the log
One new sesquiterpene (α-iso-cubebenol acetate, 8 ), together with 9 known compounds (1-7, 9, 10) were isolated from the stems of Schisandra chinensis (Turcz.) Baill. by repeated silica g
Two new classes of azido- and aziridino-hydroxyl-β-lactam containing structures have been prepared by means of a stereo- and regioselective epoxide ring opening. The straightforwardness of the procedu