12230
Among the tested compounds , 1 , 3 , and 5 exhibited strong inhibition of superoxide anion generation with IC50 values ranging from 5 . 25 to 8 . 65 micro M .
 Chemical: superoxide
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: superoxide