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: TRI given repeatedly to rats increases the locomotor hyperactivity induced by d - amphetamine , quinpirole and ( + ) - 7 - hydroxy - dipropyloaminotetralin ( dopamine D2 and D3 effects ) .
### Output Text:
<span class="chemical">TRI</span> given repeatedly to rats increases the locomotor hyperactivity induced by <span class="chemical">d - amphetamine</span> , <span class="chemical">quinpirole</span> and ( + ) - 7 - hydroxy - dipropyloaminotetralin ( <span class="chemical">dopamine</span> D2 and D3 effects ) . 