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Authors: Petrov, M.L.; Laishev, V.Z.; Petrov, A.A.
Journal: Journal of Organic Chemistry USSR (English Translation); vol. 17 (1981) 578 - 579 [Zhurnal Organicheskoi Khimii 17 (1981) 667 - 669]
Authors: Laishev, V.Z.; Petrov, M. L.; Petrov, A. A.
Journal: Journal of Organic Chemistry USSR (English Translation) 18 (1982) 245 - 250 [Zhurnal Organicheskoi Khimii 18 (1982) 281 - 287]