8682
To identify important covariates associated with interindividual variation in CYP2B6 activity in vivo , we evaluated these effects in healthy volunteers using bupropion ( Wellbutrin SR GlaxoSmithKline , Research Triangle Park , NC ) as a CYP2B6 probe substrate .
 Chemical: bupropion; Chemical: Wellbutrin SR
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: bupropion, Wellbutrin SR 
Answer:
 Chemical: bupropion; Chemical: Wellbutrin SR