@I03294@ between structures differing in @C01282@ and described by different line formulae e.g. CH3OCH3 and CH3CH2OH.
Source: PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2205 [Terms] [Paper]
Citation: 'constitutional isomerism' 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.C01285 RISBibTexEndNote