9063
The results showed that treatment with 8 - OH - DPAT induces compulsive checking and may have a stronger effect on this behavior compared with quinpirole .
 8 - OH - DPAT, quinpirole
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 8 - OH - DPAT, quinpirole