1411
Plasma concentrations of sibutramine and its two active metabolites after single oral dose of sibutramine were determined in Korean healthy male subjects with different CYP2B6 genotypes ( CYP2B6 * 1 / * 1 , * 1 / * 6 and * 6 / * 6 ) , either alone or after four - day pretreatment with clopidogrel or clarithromycin .
 Chemical: sibutramine; Chemical: sibutramine; Chemical: clopidogrel; Chemical: clarithromycin
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: sibutramine; Chemical: sibutramine; Chemical: clopidogrel; Chemical: clarithromycin