1. Clarke's analysis of drugs and poisons;Moffat,2011
2. Martindale: The Complete Drug Reference;Sweetman,2009
3. https://www.tocris.com/dispprod.php?ItemId=354439#.VtUfhdJEkdU.
4. The Merck Index: An Encyclopedia of Chemicals, Drugs and Biologicals;O'Neil,2006
5. British Pharmacopoeia, 2015, Stationery Office, first ed.