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: Since intravascular fibrin thrombi are often observed in patients with fibrinolytic disorders , EACA should not be implicated in the pathogenesis of fibrin thrombi in patients with disseminated intravascular coagulation or other " consumption coagulopathies . " This report describes subtotal infarction of the kidney due to thrombosis of a normal renal artery .
### Output Text:
Since intravascular fibrin thrombi are often observed in patients with fibrinolytic disorders , <span class="chemical">EACA</span> should not be implicated in the pathogenesis of fibrin thrombi in patients with disseminated intravascular coagulation or other " consumption coagulopathies . " This report describes subtotal infarction of the kidney due to thrombosis of a normal renal artery . 