24475
OBJECTIVES : The present study was designed to assess dysphoric properties of a selective kappa agonist , U62 , 066 , in adolescent and adult rats using both conditioned taste aversion ( CTA ) and conditioned place aversion ( CPA ) paradigms .
 Chemical: U62 , 066
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: U62 , 066