1. Center for Continuous Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering (RCPE), Inffeldgasse 13, A-8010 Graz, Austria
2. Institute of Chemistry, NAWI Graz, University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria
3. Chemical Manufacturing Technologies, Lonza AG, CH-3930 Visp, Switzerland