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: Attenuation of the lithium - induced diabetes - insipidus - like syndrome by amiloride in rats .
### Output Text:
Attenuation of the <span class="chemical">lithium</span> - induced diabetes - insipidus - like syndrome by <span class="chemical">amiloride</span> in rats . 