Chemical constituents from Mentha haplocalyx New Isoflavonoid Glycosides from the Rhizomes of Iris leptophylla Lingelsh. Chemical constituents from stems of Melicope pteleifolia Effect of herba schizonepetae volatile oil (STO) on activity of 5-lipoxygenase in rat thoracic cavity leukocytes The Chemical Constituents of Elsholtzia ciliata (Thund.) Hyland