[1] Univ Strathclyde, Strathclyde Inst Pharm & Biomed Sci, Cell Biol Res Grp, Glasgow G4 0RE, Lanark, Scotland
[2] Univ Strathclyde, Strathclyde Inst Pharm & Biomed Sci, Pharmaceut Anal & Metabol Res Grp, Glasgow G4 0RE, Lanark, Scotland
[3] CUNY Queens Coll, Dept Chem & Biochem, Flushing, NY 11367 USA
[4] Univ Glasgow, Inst Canc, Unit Expt Therapeut, Glasgow G11 6NT, Lanark, Scotland