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: Aspirin ( acetylsalicylic acid [ ASA ] ) , an irreversible cyclooxygenase 1 and 2 inhibitor , induces developmental anomalies when administered to Wistar rats on gestational day ( GD ) 9 , 10 , or 11 ( Kimmel CA , Wilson JG , Schumacher HJ . Teratology 4 : 15 - 24 , 1971 ) .
### Output Text:
<span class="chemical">Aspirin</span> ( <span class="chemical">acetylsalicylic acid</span> [ <span class="chemical">ASA</span> ] ) , an irreversible cyclooxygenase 1 and 2 inhibitor , induces developmental anomalies when administered to Wistar rats on gestational day ( GD ) 9 , 10 , or 11 ( Kimmel CA , Wilson JG , Schumacher HJ . Teratology 4 : 15 - 24 , 1971 ) . 