参考文献:
Mattson, Ronald J Catt, John D Sloan, Charles P Gao Carter, Richard B Gentile, Anthony Mahle, Cathy D Matos, F Fatima McGovern, Rachel VanderMaelen, Cam P Yocca, Frank D Bioorganic and medicinal chemistry letters, 2003 , vol. 3, # 2 p. 28 - 288