Zhang, Mei; Yang, Xiao-Ying; Tang, Wei; Groeneveld, Tom W. L.; He, Pei-Lan; Zhu, Feng-Hua; Li, Jia; Lu, Wei; Blom, Anna M.; Zuo, Jian-Ping; Nan, Fa-Jun
ACS Medicinal Chemistry Letters, 2012 , vol. 3, # 4 p. 317 - 321

Pierce; Salsbury; Fredericksen Journal of the American Chemical Society, 1942 ,  vol. 64, p. 1691,1692