An obsolescent and non-recommended term for 1,2-@K03384@, usually derived by @H02902@ of @O04337@.
Sources: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1354 [Terms] [Paper] White Book, 2nd ed., p. 132 [Terms] [Book]
Citation: 'osones' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.O04346 RISBibTexEndNote