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UNCONVENTIONAL BEHAVIOUR OF 2-AMINO-3-HYDROXYPYRIDINE IN THE NITRATION REACTION ArticleKovalchukova O.V., Strashnova S.B., Nikitin S.V., Zaitsev B.E., Palkina K.K., Kuzmina N.E.Chemistry of Heterocyclic Compounds / KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII. 1999. С. 1690-1690
SYNTHESIS, STRUCTURE AND PROPERTIES OF METALS-3,8-DIAMINO-5-HYDROXYPHENANTHRIDONE COMPLEXES ArticleZAITSEV B.E., MATYUSHENKO V.V., KOVALCHUKOVA O.V., POPLAVSKII A.N.KOORDINATSIONNAYA KHIMIYA / Russian Journal of Coordination Chemistry. Том 20. 1994. С. 222-225
SYNTHESIS AND STRUCTURE OF 3,8-DIAMINOPHENANTHRIDONE COMPLEXES WITH SOME METALS ArticleZAITSEV B.E., MATYUSHENKO V.V., KOVALCHUKOVA O.V., MIGACHEV G.I.ZHURNAL NEORGANICHESKOI KHIMII / Russian Journal of Inorganic Chemistry. Том 39. 1994. С. 270-275
SPECTROSCOPIC STUDY OF 1-PHENYL-3-ACETAMIDO-4-AZAPYRAZOLONE-5 DERIVATIVE SERIES AND SILVER(I) COMPLEX-COMPOUNDS WITH THIS LIGAND ArticleZAITSEV B.E., ZAITSEVA V.A., PRONKIN P.P., KOVALCHUKOVA O.V., ABRAMENKO P.I.ZHURNAL NEORGANICHESKOI KHIMII / Russian Journal of Inorganic Chemistry. Том 38. 1993. С. 1809-1815
SPECTRAL CHARACTERISTICS AND ACID-BASE-EQUILIBRIUM OF 4,9-DIHYDROXY-5,10-DIOXO-4,5,9,10-TETRAHYDRO-4,9-DIAZAPYRENE AND ITS 2,7-DERIVATIVES ArticleZAITSEV B.E., MIGACHEV G.I., KOVALCHUKOVA O.V., MATYUSHENKO V.V.Chemistry of Heterocyclic Compounds / KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII. 1993. С. 94-99
STRUCTURE, PROPERTIES AND SPECTRAL CHARACTERISTICS OF THE DERIVATIVES OF PHENANTHRIDONE ArticleZAITSEV B.E., MIGACHEV G.I., KOVALCHUKOVA O.V., SHEBAN G.V., MATYUSHENKO V.V.Chemistry of Heterocyclic Compounds / KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII. 1992. С. 1361-1368
SYNTHESIS, ELECTRONIC-STRUCTURE AND ABSORPTION-SPECTRA OF 9-HYDROXYPYRIDO[1,2-A]PYRIMIDINIUM DERIVATIVES ArticlePALOMINO M.IL., ZAITSEV B.E., GASHEV S.B., NIKITIN S.V., SMIRNOV L.D., KOVALCHUKOVA O.V.Chemistry of Heterocyclic Compounds / KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII. 1991. С. 1381-1387
SYNTHESIS AND STRUCTURE OF AN IRON(III) COMPLEX WITH ALLOXANE ArticlePALOMINO M.IL., GRIDASOVA R.K., ZAITSEV B.E., KOVALCHUKOVA O.V.ZHURNAL NEORGANICHESKOI KHIMII / Russian Journal of Inorganic Chemistry. Том 32. 1987. С. 2583-2586
STRUCTURE OF COBALT(II), NICKEL(II) AND PALLADIUM(II) COMPLEXES WITH 5,5-DIETHYL BARBITURIC-ACID ArticleKOVALCHUKOVA O.V., ZAITSEV B.E., MOLODKIN A.K., GRIDASOVA R.K.ZHURNAL NEORGANICHESKOI KHIMII / Russian Journal of Inorganic Chemistry. Том 30. 1985. С. 1769-1773
THERMAL-DECOMPOSITION OF BIVALENT COBALT, NICKEL AND PALLADIUM COMPLEX BARBITURATES ArticleKOVALCHUKOVA O.V., MOLODKIN A.K., GRIDASOVA R.K., VYCHUZHANIN V.A.ZHURNAL NEORGANICHESKOI KHIMII / Russian Journal of Inorganic Chemistry. Том 30. 1985. С. 3134-3138
SYNTHESIS OF COBALT(II) AND NICKEL(II) COMPOUNDS WITH SOME BARBITURIC-ACID DERIVATIVES ArticleKOVALCHUKOVA O.V., MOLODKIN A.K., GRIDASOVA R.K.ZHURNAL NEORGANICHESKOI KHIMII / Russian Journal of Inorganic Chemistry. Том 28. 1983. С. 1067-1068
SYNTHESIS AND THE STRUCTURE OF ALLOXAN COMPLEX WITH COBALT(III) ArticleKOVALCHUKOVA O.V., ZAITSEV B.E., GRIDASOVA R.K., ZAKHAROV V.F., MOLODKIN A.K.ZHURNAL NEORGANICHESKOI KHIMII / Russian Journal of Inorganic Chemistry. Том 26. 1981. С. 985-990