Chen, Ling; Li, Honglin; Liu, Jun; Zhang, Luyong; Liu, Hong; Jiang, Hualiang
Bioorganic and Medicinal Chemistry, 2007 , vol. 15, # 21 p. 6763 - 6774

Jung; Park
Journal of Heterocyclic Chemistry, 2001 , vol. 38, # 1 p. 61 - 67