23934
The investigations included the inhibition of cholinesterases ( AChE , BuChE ) , the inhibition of amyloid beta ( A beta ) self - assembly and the disassembly of preformed A beta oligomers .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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