Belliotti, Thomas R.; Wustrow, David J.; Brink, Wouter A.; Zoski, Kim T.; Shih, Yu-Hsin; Whetzel, Steven Z.; Georgic, Lynn M.; Corbin, Ann E.; Akunne, Hyacinth C.; Heffner, Thomas G.; Pugsley, Thomas A.; Wise, Lawrence D. Journal of Medicinal Chemistry, 1999 , vol. 42, # 25 p. 5181 - 5187