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Co - application of DCG - IV and LY541850 in mGlu3 - / - and wild - type littermates resulted in an additive effect , whereas in mGlu2 - / - mice , LY541850 reversed the inhibitory action of DCG - IV .
 LY541850, LY541850
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 LY541850, LY541850