15121
Their safety evaluation was based on their active ingredients being eugenol , rotenone , beta - asarone and pyrethrins , respectively .
 eugenol, rotenone, beta - asarone, pyrethrins
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 eugenol, rotenone, beta - asarone, pyrethrins