SYNTHESIS OF A NEW AZA-14-CROWN-4 WITH DI(Α-PYRIDYL)-SUBSTITUTED BISPIDINE SUBUNIT AND THE CRYSTAL STRUCTURE OF ITS COMPLEX WITH COCL2 СтатьяKolyadina N.M., Sokol V.I., Kvartalov V.B., Davydov V.V., Fomicheva E.A., Soldatenkov A.T., Sergienko V.S.Russian Journal of Inorganic Chemistry. Том 58. 2013. С. 671-677