1. Departamento de Química Orgánica, Facultade de Química, Universidade de Vigo, CINBIO, As Lagoas-Marcosende, 36310 Vigo, Spain
2. Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of Russian Academy of Sciences, P.O. Box 261, 420111 Kazan, Russia