Page 1. Russian Chemical Bulletin, International Edition, Vol. 56, No. 2, pp. ... State Research Center of Antibiotics, 3a ul. Nagatinskaya, 117105 Moscow, Russian Federation. E mail: vggranik@mail.ru ... Mukhanova et al. 328 Russ.Chem.Bull., Int.Ed., Vol. 56, No. 2, February, 2007 ...