Guo, Pu; Xu, Xiaowei; Qiu, Xiaoyu; Zhou, Yimin; Yan, Shengyong; Wang, Changcheng; Lu, Chunjiang; Ma, Wen; Weng, Xiaocheng; Zhang, Xianzheng; Zhou, Xiang Organic and Biomolecular Chemistry, 2013 , vol. 11, # 10 p. 1610 - 1613