文献索引：Ivanov, P. Yu.; Bokanov, A. I.; Budanova, L. I.; Kuzovkin, V. A.; Shvedov, V. I Pharmaceutical Chemistry Journal, 1987 , vol. 21, # 9 p. 677 - 679 Khimiko-Farmatsevticheskii Zhurnal, 1987 , vol. 21, # 9 p. 1119 - 1121
The mixture obtained was dissolved in 70 ml of toluene, a solution of HCI in ethanol was added, the solution was evaporated under vacuum to a volume of 30 ml, and the precipitated crystals were filtered off; after recrystallization from a toluene-isopropanol (4: 1) mixture 10.92 g of I'HCI (61.4%) was obtained.
