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Details of the HPLC method for selected HR compounds.
| Compound | Method length (min) | Concentration solvent B (%) | Detection wavelength (nm) | Retention time (min) |
|---|---|---|---|---|
| Caffeine | 5 | 25 | 272 | 2.54 |
| Fenofibrate | 10 | 70 | 288 | 5.84 |
| HR51 | 6 | 60 | 260 | 4.3 |
| HR59 | 5 | 60 | 262 | 3.92 |
