5-ARYL-2-FURALDEHYDES IN THE SYNTHESIS OF TETRAHYDROPYRIMIDINONES BY BIGINELLI REACTION СтатьяVakhula A.R., Horak Y.I., Lytvyn R.Z., Lesyuk A.I., Kinzhybalo Vasyl, Zubkov F.I., Obushak M.D.Chemistry of Heterocyclic Compounds. Том 54. 2018. С. 545-549