BASE-CATALYZED REACTIONS OF QUATERNARY SALTS OF 2- AND 4-AZAFLUORENES ArticleProstakov N.S., Gaivoronskaya L.A., Anastasi R.I., Maiga S.M.C., Savina A.A., Murugova L.A., Zakharov P.I.Chemistry of Heterocyclic Compounds. Том 15. 1979. С. 1214-1222
