Structures of the four avenacins, oat root resistance factors to ‘take-all’ disease

Structures of the four avenacins, oat root resistance factors to ‘take-all’ disease Isolation and structure elucidation of genuine oat phytoalexin, avenalumin I Biosynthesis of avenic acid A in oat cv. Onward: studies with 14C or 15N labeled compounds Arvensoside A and B, triterpenoid saponins from Calendula arvensis 9,19-Cyclolanostane Derivatives from the Roots of <i>Actaea pachypoda</i> A triterpenoid and its saponin from Phytolacca esculenta Dammarane Triterpenoids from the Roots of <i>Gentiana rigescens</i> Secondary Metabolites from the Roots of <i>Astragalus trojanus</i> Avenanthramides, Distinctive Hydroxycinnamoyl Conjugates of Oat, Avena sativa L.: An Update on the Biosynthesis, Chemistry, and Bioactivities A pregnane ester tetraglycoside from Oxystelma esculentum