ON THE REACTION OF FUSED BENZODIAZEPINES WITH ALKYNES CONTAINING ELECTRON-WITHDRAWING GROUPS Article Voskressensky L.G., Borisova T.N., Babakhanova M.I., Akbulatov S.V., Tsar'Kova A.S., Titov A.A., Khrustalev V.N., Varlamov A.V. Russian Chemical Bulletin. Vol. 61. 2012. P. 1220-1230