20559
The present study aimed to evaluate the antinociceptive activity ( in inflammatory and neuropathic pain models ) and gastroprotective effect of the 3 , 5 - diprenyl - 4 - hydroxyacetophenone ( HYDP ) , isolated from Ageratina pichinchensis .
 Chemical: 3 , 5 - diprenyl - 4 - hydroxyacetophenone; Chemical: HYDP
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: 3 , 5 - diprenyl - 4 - hydroxyacetophenone; Chemical: HYDP