25431
One hydroxylated C19 : 0 metabolite was formed by CYP4F2 and one hydroxylated and one carboxylated C19 : 0 were tentatively identified after incubation of AR with S9 .
 None
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:  
Answer:
 None