11430
Results show that methadone N - demethylation catalyzed by CYP2B6 . 6 , the CYP2B6 variant encoded by the CYP2B6 * 6 polymorphism , is catalytically deficient compared with wild - type CYP2B6 . 1 .
 Chemical: methadone; Chemical: N
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: methadone; Chemical: N