http://www.ncbi.nlm.nih.gov/pubmed/16178735# Curr Top Med Chem. 2005;5(9):913-8. Agonists and antagonists for group III metabotropic glutamate receptors 6, 7 and 8. Yang ZQ. Source Department of Medicinal Chemistry, Merck Research Laboratories, Merck & Co., PO Box 4, West Point, PA 19486 USA. z***********[email protected] please mail to y******[email protected], 3x a lot!