1. R&D of Chinoin Ltd., Tó utca 1-5, H-1045 Budapest, Hungary
2. Department of Organic Chemistry & Technology, Budapest University of Technology & Economics, Research Group of Organic Chemical Technology, Hungarian Academy of Sciences, Budafoki út 8, H-1111 Budapest, Hungary
3. Institute of Structural Chemistry, Chemical Research Center, Hungarian Academy of Sciences, Pusztaszeri út 59, H-1025 Budapest, Hungary
4. External Pharmaceutical Department, Budapest University of Technology & Economics, Tó utca 1-5, Budapest, H-1045, Hungary