Shipov, A. E.; Genkina, G. K.; Artyushin, O. I.; Mndzhoyan, Z. O.; Gushchin, B. E.; et al.
Russian Chemical Bulletin, 1995 , vol. 44, # 11 p. 2147 - 2156
Izvestiya Akademi Nauk, Seriya Khimicheskaya, 1995 , # 11 p. 2241 - 2249

Plant Prod. Corp.
Patent: US2506344 , 1948 ;

Lockau; Luedicke
Zeitschrift fuer Naturforschung, 1952 , vol. 7 b, p. 389,390

Catrina, Irina E.; Hengge, Alvan C.
Journal of the American Chemical Society, 2003 , vol. 125, # 25 p. 7546 - 7552

Jadhav; Wadgaonkar; Salunkhe
Polish Journal of Chemistry, 1999 , vol. 73, # 9 p. 1473 - 1475

Shipov; Genkina; Mastryukova; Kabachnik
Russian Journal of General Chemistry, 1998 , vol. 68, # 9 p. 1345 - 1348