2903
Compound - specific differences in hepatic clearance relative to the reference compound EE2 were determined in vitro to examine whether in vivo estrogenic potencies reported in literature could be more accurately estimated .
 Chemical: EE2
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: EE2 
Answer:
 Chemical: EE2