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CNS distribution of metabotropic glutamate 2 and 3 receptors : transgenic mice and [ (3) H ] LY459477 autoradiography .
 Chemical: glutamate; Chemical: [ (3) H ] LY459477
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: glutamate; Chemical: [ (3) H ] LY459477