25860
The optimal formulation successfully displayed isochronous permeation rates for TEF and LOX across rabbit skin , and was defined with 5 % of TEF - TEtA , 10 % of LOX - TEtA and 15 % of azone .
 Chemical: TEF; Chemical: LOX; Chemical: TEF - TEtA; Chemical: LOX - TEtA
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: TEF; Chemical: LOX; Chemical: TEF - TEtA; Chemical: LOX - TEtA