Fig. 1From: Auto-oxidation of Ent-beyer-15-en-19-al isolated from the essential oil of the heartwood of Erythroxylum monogynum Roxb.: formation of 15,16-epoxy-ent-beyeran-19-oic acid and other productsStructures of ent-beyer-15-ene (1), ent-beyer-15-en-19-ol (erythroxylol A) (2), ent-beyer-15-en-19-al (3) and auto-oxidation products of 3Back to article page