| HPLC | High performance liquid chromatography |
| DEPT | Distortionless enhancement by polarization transfer |
| COSY | Two dimensional 1H correlation |
| HSQC | 1H-detected heteronuclear single-quantum coherence |
| HMBC | 1H-detected heteronuclear multiple-bond correlation |
| NOESY | Nuclear overhauser effect spectroscopy |
| MTT | 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide |