Wang, Xiachang; Shaaban, Khaled A.; Elshahawi, Sherif I.; Ponomareva, Larissa V.; Sunkara, Manjula; Zhang, Yinan; Copley, Gregory C.; Hower, James C.; Morris, Andrew J.; Kharel, Madan K.; Thorson, Jon S.
Journal of Natural Products, 2013 , vol. 76, # 8 p. 1441 - 1447