7307
For an in vivo assessment , the plasma concentrations of AZT in rats were determined by HPLC method following intravenous and intranasal administration of AZT - loaded P formulation ( PA ) and AZT solution , respectively , at a dose of 8mg / kg .
 Chemical: AZT; Chemical: AZT; Chemical: AZT
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: AZT, AZT, AZT 
Answer:
 Chemical: AZT; Chemical: AZT; Chemical: AZT