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In na i ve rats , Lu AF21934 dose - dependently ( 10 and 30 mg / kg ) alleviated haloperidol - induced catalepsy .
 Chemical: Lu AF21934; Chemical: haloperidol
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: Lu AF21934; Chemical: haloperidol