参考文献

Utkina, N. K.; Kazantseva, M. V.; Denisenko, V. A. Chemistry of Natural Compounds, 1987 , vol. 23, # 4 p. 508 - 509 Khimiya Prirodnykh Soedinenii, 1987 , vol. 23, # 4 p. 603 - 605