Yamansarova; Kukovinets; Zainullin; Galin; Kunakova; Zorin; Tolstikov
Russian Journal of Organic Chemistry, 2001 , vol. 37, # 2 p. 246 - 255

Ohsumi, Tadashi; Hatakoshi, Makoto; Kisida, Hirosi; Matsuo, Noritada; Nakayama, Isamu; Itaya, Nobushige
Agricultural and Biological Chemistry, 1985 , vol. 49, # 11 p. 3197 - 3202

Szajnman, Sergio H.; Bailey, Brian N.; Docampo, Roberto; Rodriguez, Juan B.
Bioorganic and Medicinal Chemistry Letters, 2001 , vol. 11, # 6 p. 789 - 792