24241
DMPC treatment ( 20 mg / kg ) significantly attenuated scopolamine - or MK - 801 - induced memory impairment and it even enhanced cognitive performance of normal animals .
 Chemical: DMPC; Chemical: scopolamine; Chemical: MK - 801
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: DMPC; Chemical: scopolamine; Chemical: MK - 801