SYNTHESIS OF HEXAHYDRO[1,4]DIAZOCINO[7,8,1-JK]CARBAZOLES AND 1-METHOXY-9-(Β-VINYLETHYLAMINO)ETHYLCARBAZOLES Article Voskressensky L.G., Granik V.G., Borisova T.N., Titov A.A., Grishina E.I., Sorokina E.A., Varlamov A.V. Chemistry of Heterocyclic Compounds. Латвийский институт органического синтеза Латвийской академии наук / Springer New York Consultants Bureau. Vol. 48. 2012. P. 620-624