... Journal of Heterocyclic Chemistry: Previous article in issue: The Impact of Long-Range 1H-15N Heteronuclear Shift Correlation Data on Computer-Assisted Structure Elucidation: Posaconazole ... i, CH 2 CH(CH 3 ) 2, 1.5, Trace, 75. j, C 6 H 5, 2.5, 12, 70. ...