[1] Univ Toronto Mississauga, Ctr Med Chem, Mississauga, ON L5L 1C6, Canada
[2] Univ Toronto Mississauga, Dept Chem & Phys Sci, Mississauga, ON L5L 1C6, Canada
[3] Res Ctr Nat Sci, Med Chem, H-1117 Budapest, Hungary
[4] Univ Vet Med, Inst Anim Breeding & Genet, A-1210 Vienna, Austria