SYNTHESIS, MOLECULAR STRUCTURE, AND SPECTRAL CHARACTERISTICS OF LEAD(II) COMPLEXES WITH 1,5-DIMETHYL-4-[2-(3-METHYL-5-OXO-1-PHENYL-1,5-DIHYDRO-4H-PYRAZOL-4-YLIDENE)HYDRAZINYL]-2-PHENYL-1,2-DIHYDRO-3H-PYRAZOL-3-ONE Article Vu T.N.A., Utenyshev A.N., Polyanskaya N.A., Nguyen V.A., Kovalchukova O.V. Russian Journal of General Chemistry. Vol. 90. 2020. P. 2128-2133
