Lapkin, I. I.; Kolbina, N. M.; Tatarenko, O. I.; Prokhorova, T. S.; Gartman, G. A.
Pharmaceutical Chemistry Journal, 1987 , vol. 21, # 11 p. 778 - 779
Khimiko-Farmatsevticheskii Zhurnal, 1987 , vol. 21, # 11 p. 1326 - 1328

Lapkin, I. I.; Kolbina, N. M.; Tatarenko, O. I.
Journal of Organic Chemistry USSR (English Translation), 1987 , vol. 23, # 2 p. 279 - 281
Zhurnal Organicheskoi Khimii, 1987 , vol. 23, # 2 p. 315 - 317