Grigoryan, N. A.; Mndzhoyan, Z. O.; Kazaryan, E. V.; Ter-Zakharyan, Yu. Z.; Mndzhoyan, O. L.
Pharmaceutical Chemistry Journal, 1992 , vol. 26, # 2 p. 153 - 157
Khimiko-Farmatsevticheskii Zhurnal, 1992 , vol. 26, # 2 p. 43 - 45

Brownlee; Cacioli; Chandler; et al.
Journal of the Chemical Society - Series Chemical Communications, 1986 , vol. No. 9, p. 659 - 661