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Although displaying a lower potency in vitro than the reference compound GS39783 , the new compounds 6 , 10 , and 11 exhibited a higher efficacy in vivo : combination of these compounds with a per se nonsedative dose of baclofen resulted in shorter onset and longer duration of the loss of righting reflex in mice .
 Chemical: GS39783; Chemical: baclofen
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: GS39783; Chemical: baclofen