[Tang, Chu; Ai, Yong; Yang, Guang-Zhong; Chen, Yu] S Cent Univ Nationalities, Coll Pharm, Lab Nat Prod Chem, Wuhan 430074, Peoples R China.
[Fu, Li-Wu; Liang, Yong-Ju] Sun Yat Sen Univ, Ctr Canc, State Key Lab Oncol S China, Guangzhou 510060, Guangdong, Peoples R China.
[He, Hong-Wu; Liu, Jian-Chao] Cent China Normal Univ, Coll Chem, Wuhan 430079, Peoples R China.
[Yang, Guang-Zhong] S Cent Univ Nationalities, Coll Pharm, Lab Nat Prod Chem, 708 Minyuan Rd, Wuhan 430074, Peoples R China.