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: In Group I , P induced a moderate and stable glycosuria ( 3 . 9 + / - 0 . 1 g / day , SE ) , and no functional or morphologic evidence of renal dysfunction ( baseline CCr 2 . 1 + / - 0 . 1 ml / min , undetectable lysozymuria ) or damage ( tubular necrosis score [ maximum 4 ] , zero ) .
### Output Text:
In Group I , <span class="chemical">P</span> induced a moderate and stable glycosuria ( 3 . 9 + / - 0 . 1 g / day , SE ) , and no functional or morphologic evidence of renal dysfunction ( baseline CCr 2 . 1 + / - 0 . 1 ml / min , undetectable lysozymuria ) or damage ( tubular necrosis score [ maximum 4 ] , zero ) . 