13815
In vitro metabolism using hepatosomes , which resemble the native cytochrome P - 450 enzyme expression , has confirmed the earlier work that clopidogrel is primarily a CYP3A substrate .
 Chemical: clopidogrel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: clopidogrel