[1] Univ Mississippi, Sch Pharm, Natl Ctr Nat Prod Res, University, MS 38677 USA
[2] Univ Mississippi, Sch Pharm, Dept Pharmacognosy, University, MS 38677 USA
[3] Univ Mississippi, Sch Pharm, Dept Med Chem, University, MS 38677 USA
[4] Univ Al Azhar, Dept Pharmacognosy, Fac Pharm, Cairo 11371, Egypt