COORDINATION COMPOUNDS OF SOME D METALS WITH NITROPHENYLHYDRAZONE OXOPYRIDINE (PYRIMIDINE) DERIVATIVES: CRYSTAL AND MOLECULAR STRUCTURE OF C <SUB>10</SUB>H<SUB>9</SUB>N<SUB>5</SUB>O<SUB>6</SUB> Article Kovalchukova O.V., Strashnova S.B., Churakov A.V., Sergienko V.S., Abbas A.T.R.A., Kuznetsov D.N., Kobrakov K.I. Russian Journal of Inorganic Chemistry. IAPC Nauka/Interperiodica. Vol. 58. 2013. P. 395-399