29851
The pharmacokinetics of the 25 - OCH3 - PPD epimers and active metabolites in rat plasma after a single intravenous ( i . v . ) administration were studied by a rapid , selective and sensitive UPLC - MS / MS method .
 Chemical: 25 - OCH3 - PPD
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: 25 - OCH3 - PPD