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To assess the potential use of these compounds in the treatment of ADHD , we examined the effects of a well - characterized benztropine analog , AHN 2 - 005 , on performance of rats in a PFC - dependent delayed - alternation task of spatial working memory .
 Chemical: benztropine; Chemical: AHN 2 - 005
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: benztropine; Chemical: AHN 2 - 005