3324
Furthermore , PNU - 120596 enhanced an ineffective dose of selective agonist PHA - 543613 to produce anti - allodynic effects in the CCI model .
 Chemical: PNU - 120596; Chemical: PHA - 543613
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: PNU - 120596; Chemical: PHA - 543613