SYNTHESIS OF 1-TETRAZOLYL-SUBSTITUTED 2,3,4,9-TETRAHYDRO-1H-?-CARBOLINES AND THEIR TRANSFORMATIONS INVOLVING ACTIVATED ALKYNES Article Vosskresensky L.G., Titov A.A., Samavati R., Kobzev M.S., Dorovatovskii P.V., Khrustalev V.N., Chuong Hong, Dang Thi, Nguyen Van, Sorokina E.A., Varlamov A.V. Chemistry of Heterocyclic Compounds. Латвийский институт органического синтеза Латвийской академии наук / Springer New York Consultants Bureau. 2017. P. 575-581