1. Niu ZR, et al. A new iridoid glycoside from Scrophularia ningpoensis. Nat Prod Res. 2009;23(13):1181-8. 2. Tasdemir D, et al. Anti-protozoal and plasmodial FabI enzyme inhibiting metabolites of Scrophularia lepidota roots. Phytochemistry. 2005 Feb;66(3):355-62.