3259
A single dose inhalation at a predicted dose of 22 . 5mg / kg resulted in maximum lung tissue concentration of 21 . 4 mu g / g tissue with a terminal half - life of 25 . 4h .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None