24041
Compounds 5c , 5d , 5e , 5f , 6c , 6d , 6e and 6f showed significant analgesic activity as compared to standard drug Aspirin .
 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