Answer
Metronidazole benzoate is the form used in this suspension; the product states its content as the equivalent amount of metronidazole, which provides the antimicrobial effect.
Sources for this answer
- Metronidazole 200 mg/5 ml Oral Suspension — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.