In the sentence extracted from biomedical literature, identify all the chemical entities. The required answer format is the same sentence with HTML <span> tags to mark up specific entities. 
### Entity Markup Guides:
Use <span class="chemical"> to denote a chemical.

### Input Text: A case of acute inflammatory myopathy associated with the use of pravastatin , a new hydrophilic 3 - hydroxy - 3 methylglutaril coenzyme A reductase inhibitor , is reported .
### Output Text:
A case of acute inflammatory myopathy associated with the use of <span class="chemical">pravastatin</span> , a new hydrophilic 3 - hydroxy - 3 methylglutaril coenzyme A reductase inhibitor , is reported . 