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The functional selectivity of LY459477 was demonstrated by over 640 - fold selectivity and the displacement binding selectivity was greater than 320 - fold for all glutamate receptors except mGlu ( 6 ) ( ~ 230 - fold ) .
 Chemical: LY459477; Chemical: glutamate
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: LY459477; Chemical: glutamate