SYNTHESIS OF A NEW AZA-14-CROWN-4 WITH DI(Α-PYRIDYL)-SUBSTITUTED BISPIDINE SUBUNIT AND THE CRYSTAL STRUCTURE OF ITS COMPLEX WITH COCL2 ArticleKolyadina 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