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Then , we found that i . c . v . injection of NPS reversed memory disruption induced by MK801 , scopolamine or A beta 1 - 42 in both tasks .
 Chemical: MK801; Chemical: scopolamine
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: MK801; Chemical: scopolamine