1. Unit of Organic Chemistry, Department of
Biosciences at Novum, Karolinska Institute, SE-14157 Huddinge, Sweden
2. AstraZeneca R&D, SE-15185 Södertälje, Sweden
3. SP Process Development, SE-15121 Södertälje, Sweden
4. Department of Applied Physical Chemistry, Royal Institute of Technology, SE-100 44 Stockholm, Sweden