Is it Time to Consider Use of Levo-methadone (R-(-)-Methadone) to Replace Racemic Methadone?

Philip Lisberg and Feodor Scheinmann^*

FSR Ltd., c/o Chittendens Accountants, 456 Chester Road, Manchester M16 9HD, UK

^*Corresponding Author: Feodor Scheinmann, Formerly Founding Director and CEO of Salford Ultrafine Chemicals and Research Ltd, Reader in Organic Chemistry at University of Salford, visiting Professor at Universities of Manchester, Liverpool And Zurich, UK Email: