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Erzhanov, K.B.; Kayunova, L.A.; Yakimovich, S.I.; Umarova, Z.N.; Krasnomolova, L.P., Enamine-enamine isomerism in the products of N-acylation of 2-(«beta»-cyanoethyl)cyclohexanone benzylimine, Zh. Org. Khim., 1983, 19, 2329-2332. [all data]