THE SYNTHESIS AND CRYSTAL STRUCTURE OF 2-(CHLOROSELANYL)PYRIDINE 1-OXIDE: THE FIRST MONOMERIC ORGANOSELENENYL CHLORIDE STABILIZED BY AN INTRAMOLECULAR SECONDARY SE···O INTERACTION Article Askerov R.K., Matsulevich Zh.V., Borisova G.N., Zalepkina S.A., Smirnov V.F., Grishina M.M., Dorovatovskii P.V., Borisov A.V., Khrustalev V.N. Acta Crystallographica Section E: Crystallographic Communications. International Union of Crystallography. 2016.