Pokhilo, Nataly D.; Shuvalova, Maria I.; Lebedko, Maxim V.; Sopelnyak, Galina I.; Yakubovskaya, Alia Ya.; Mischenko, Natalia P.; Fedoreyev, Sergey A.; Anufriev, Victor Ph. Journal of Natural Products, 2006 , vol. 69, # 8 p. 1125 - 1129