18830
( 2R ) - IKM - 159 locks the GluA2 in an open form , consistent with a pharmacological action as competitive antagonist of AMPA receptors .
 Chemical: ( 2R ) - IKM - 159
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: ( 2R ) - IKM - 159