19568
The equilibration half - life for sedation ( t1 / 2 ke0 ) was 1 . 16 ( 0 . 62 , 2 . 17 ) minutes .
 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