a School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
Abstract:
Two new compounds, named as sonchifolactone E (1) and sonchifolinin B (2), have been isolated from the whole plant of Ixeris sonchifolia, along with one known compound, sonchifolatone A (3). Their structures and stereochemistry were determined by spectroscopic methods.