Odinokov, V. N.; Dzhemilev, U. M.; Ishumuratov, G. Yu.; Botsman, L. P.; Ibragimov, A. G.; et al.
Chemistry of Natural Compounds, 1991 , vol. 27, # 2 p. 238 - 240
Khimiya Prirodnykh Soedinenii, 1991 , # 2 p. 276 - 279
Nelson, David J.; Ashworth, Ian W.; Hillier, Ian H.; Kyne, Sara H.; Pandian, Shanthi; Parkinson, John A.; Percy, Jonathan M.; Rinaudo, Giuseppe; Vincent, Mark A.
Chemistry - A European Journal, 2011 , vol. 17, # 46 p. 13087 - 13094