REARRANGEMENTS OF N-YLIDE GENERATED FROM 1-ETHOXYCARBONYLMETHYL-1-METHYL-4- PHENYL-1,2,3,6-TETRAHYDROPYRIDINIUM CHLORIDE [2] Article Soldatova S.A., Akbulatov S.V., Gimranova G.S., Rudakov Yu.O., Polyanskii K.B., Soldatenkov A.T. Chemistry of Heterocyclic Compounds. Латвийский институт органического синтеза Латвийской академии наук / Springer New York Consultants Bureau. Vol. 41. 2005. P. 681-683