共 50 条
- [6] NMR IMAGING OF N-15 AT NATURAL ABUNDANCE JOURNAL OF MAGNETIC RESONANCE, 1992, 98 (02): : 458 - 461
- [7] N-15 NMR-STUDIES OF C-13, N-15 LABELED ARGININE ORGANIC MAGNETIC RESONANCE, 1977, 9 (10): : 598 - 600
- [8] NITROGEN NMR-STUDIES OF SOME N-15 LABELED SYDNONES AND RELATED STRUCTURES ORGANIC MAGNETIC RESONANCE, 1980, 13 (04): : 274 - 276