Research Article
Pycnanolide A and B: New Lignan Lactones from the Leaves of Pycnanthus angolensis (Myristicaceae)
Natural Products/Organic Chemistry Unit, Department of Chemistry, Faculty of Science, University of Ibadan, Ibadan, Nigeria
M.S. Ali
International Center for Chemical Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, 75270, Pakistan