[1] Heinrich Heine Univ Dusseldorf, Inst Pharmaceut Biol & Biotechnol, Univ Str 1, D-40225 Dusseldorf, Germany
[2] Mansoura Univ, Fac Pharm, Dept Pharmacognosy, Mansoura 35516, Egypt
[3] Fukang Pharma North East Dongwaihuan Rd, Shouguang City 262700, Peoples R China
[4] Peking Univ, State Key Lab Nat & Biomimet Drugs, Beijing 100191, Peoples R China