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These data suggested that in a rat animal model , selective group II metabotropic glutamate type 2 receptor allosteric potentiators show an anti - panic efficacy similar to alprazolam .
 Chemical: glutamate; Chemical: alprazolam
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: alprazolam