1. Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
2. Centre for Drug Candidate Optimisation, Monash University (Parkville campus), 381 Royal Parade, Parkville, VIC 3052, Australia
3. Medicines for Malaria Venture, ICC, Route de Pré-Bois 20, PO Box 1826, 1215 Geneva, Switzerland
4. Swiss Tropical and Public Health Institute, Socinstrasse 57, 4002 Basel, Switzerland
5. University of Basel, Socinstrasse 57, 4002 Basel, Switzerland
6. Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch 7701, South Africa