Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Zhurnal Neorganicheskoi Khimii called Use of sulfur hexafluoride in the synthesis of anhydrous iron, nickel, and cobalt fluorides, Author is Opalovskii, A. A.; Labkov, E. U.; Zakhar’ev, Yu. V.; Kuchumova, L. Ya., which mentions a compound: 13940-83-5, SMILESS is [H]O[H].[H]O[H].[H]O[H].[H]O[H].[Ni+2].[F-].[F-], Molecular F2H8NiO4, Product Details of 13940-83-5.
DTA data indicate that SF6 reacts with Fe2O3, NiO, or Co2O3 at 550-600° to give FeF3, NiF2, or CoF2, resp. During the heating of FeF3.3H2O, NiF2.4H2O, and CoF2.3.7H2O in the presence of SF6 at 650°, the formation of the oxide is avoided and FeF3, NiF2, and CoF2 are obtained.
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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider