1. Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
2. Department of Chemistry, BioScience Research Collaborative, Rice University, 6100 Main Street, Houston, Texas 77005, United States
3. Laboratory of Natural Products Synthesis & Bioorganic Chemistry, Institute of Nanoscience and Nanotechnology, National Centre for Scientific Research “Demokritos”, 153 10 Agia Paraskevi, Greece