9038
Furthermore , compound 1 ( the major constituent with a mass content of over 1 % ) showed significant QR inducing activity with an IR value of 4 . 2 at 4 mu g / ml .
 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