1. Department of Theoretical Chemistry and Biology, Royal Institute of Technology (KTH), AlbaNova University Center, S-106 91 Stockholm, Sweden
2. College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, P. R. China
3. Department of Neurobiology, Care Sciences and Society, Center of Alzheimer Research, Clinical Geriatrics, Neo and Theme Aging, Karolinska University Hospital, Karolinska Institute, 141 83 Huddinge, Sweden
4. Department of Chemistry—BMC, Physical Organic Chemistry, Uppsala University, 751 23 Uppsala, Sweden