1. Research Centre for Plant Growth and Development, School of Biological and Conservation Sciences, University of KwaZulu-Natal Pietermaritzburg, Private Bag X01, Scottsville 3209, South Africa, Laboratory for Ecological Chemistry, Department of Chemistry, University of Stellenbosch, Stellenbosch 7600, South Africa, Department of Basic Sciences and Environment, Faculty of Life Sciences, University of Copenhagen, Thorvaldsensvej 40, DK-1871 Frederiksberg, Denmark, and Institute of Organic Chemistry and...