THE FIRST SYNTHESIS OF 6-(PHENYLETHYNYL)-SUBSTITUTED TETRAHYDROAZOCINO[5,4-B] INDOLES СтатьяVoskressensky L.G., Titov A.A., Kobzev M.C., Samavati R., Borisov R.S., Kulikova L.N., Varlamov A.V.Chemistry of Heterocyclic Compounds. Том vol 52. 2016. С. 68-70