Chemistry of Natural Compounds, , vol. 24, # 1 p. 130 - 131
Khimiya Prirodnykh Soedinenii, , vol. 24, # 1 p. 143 - 145

Verba, G. G.; Bikulova, L. M.; Abduvakhabod, A. A.
Chemistry of Natural Compounds, 1988 , vol. 24, # 1 p. 130 - 131
Khimiya Prirodnykh Soedinenii, 1988 , vol. 24, # 1 p. 143 - 145