THEORETICAL AND EXPERIMENTAL STUDY OF THE COORDINATION ABILITY OF 4,6-DIMETHYLPYRIMIDINYLHYDRAZONE DIACETYLMONOOXIME TOWARDS NI(II), MN(II), FE(III) AND CO(III) IONS Article Lukov V.V., Tsaturyan A.A., Tupolova Y.P., Popov L.D., Shcherbakov I.N., Lebedev V.E., Askalepova O.I., Lastovina T.A., Lazarenko V.A., Khustalev V.N., Poler J.C. New Journal of Chemistry. Royal Society of Chemistry. Vol. 44. 2020. P. 2146-2154