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: RESULTS : Among women , lovastatin ( 20 to 80 mg / d ) produced sustained ( 12 - to 48 - week ) , dose - related changes ( P < 0 . 001 ) : decreases in LDL cholesterol ( 24 % to 40 % ) and triglycerides ( 9 % to 18 % ) , and increases in HDL cholesterol ( 6 . 7 % to 8 . 6 % ) .
### Output Text:
RESULTS : Among women , <span class="chemical">lovastatin</span> ( 20 to 80 mg / d ) produced sustained ( 12 - to 48 - week ) , dose - related changes ( P < 0 . 001 ) : decreases in LDL <span class="chemical">cholesterol</span> ( 24 % to 40 % ) and <span class="chemical">triglycerides</span> ( 9 % to 18 % ) , and increases in HDL <span class="chemical">cholesterol</span> ( 6 . 7 % to 8 . 6 % ) . 