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| Macrolides | Molecular weight (g/mol) | Quinolones | Molecular weight (g/mol) |
|---|---|---|---|
| Azithromycin | 748.98 | Ciprofloxacin | 331.34 |
| Clarithromycin | 747.95 | Levofloxacin | 361.36 |
| Erythromycin | 733.90 | Moxifloxacin | 401.43 |
| Erythromycin ethyl succinate | 862.10 | Norfloxacin | 319.33 |
| Erythromycin stearate | 1018.40 | Ofloxacin | 361.36 |
