| NMR | Nuclear magnetic resonance |
| HREIMS | High resolution electron ionization mass spectrometry |
| CDCl3 | Duterated chloroform |
| HMBC | Heteronuclear multiple bond coherence |
| COSY | Correlation spectroscopy |
| NOE | Nuclear overhauser effect |
| HSQC | Hetero nuclear single quantum coherence |
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