Gevorkyan, K. A.; Papayan, G. L.; Shirinyan, E. A.; Atayan, T. K.; Vorskanyan, A. S.
Pharmaceutical Chemistry Journal, 1983 , vol. 17, # 7 p. 484 - 487
Khimiko-Farmatsevticheskii Zhurnal, 1983 , vol. 17, # 7 p. 806 - 808
Phillipson, Neil; Anson, Michael S.; Montana, John G.; Taylor, Richard J. K.
Journal of the Chemical Society - Perkin Transactions 1, 1997 , # 19 p. 2821 - 2829