Helvetica Chimica Acta, , vol. 39, p. 1676,1680

He, Xianran; Zhong, Min; Yang, Jin; Wu, Zhongyuan; Xiao, Yuling; Guo, Hao; Hu, Xianming
Chemical Biology and Drug Design, 2012 , vol. 79, # 5 p. 771 - 779

Hsu, Ming-Ann; Chow, Tahsin J.
Australian Journal of Chemistry, 2002 , vol. 55, # 8 p. 499 - 504