21540
This communication presents the results of a risk benefit analysis carried out to progress 2 ( PF - 915275 ) to a clinical study and the strategies used to eliminate reactive metabolites in this series of inhibitors .
 Chemical: PF - 915275
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: PF - 915275 
Answer:
 Chemical: PF - 915275