Institution: | aNatural Products Center, School of Natural Resources and the Environment, College of Agriculture and Life Sciences, The University of Arizona, Tucson, Arizona, USA;bInstitut für Chemie, Technische Universität Berlin, Berlin, Germany;cBiotechnology Research Institute, The Chinese Academy of Agricultural Sciences, Beijing, People''s Republic of China;dBio5 Institute, The University of Arizona, Tucson, Arizona, USA |