Simultaneous isolation and preparation of four iridoid glycosides from Lamiophlomis rotata by preparative RP-HPLC Iridoid Glucosides from Phlomis mongofica Turcz. Experimental study on pharmacokinetics of Reduning Injection in human body Iridoid Glycosides from Pedicula dicora Franch. Batch release control of Gardenia jasminoides intermediate purification process based on statistical process control and near-infrared spectroscopy technology Simultaneous isolation and preparation of four iridoid glycosides from Lamiophlomis rotata by preparative RP-HPLC