16777
The compounds 7i and 7v exhibited significant activity , with a MIC value of 2 . 0 - 6 . 0 mu g / mL against a panel of Gram - positive and Gram - negative bacteria .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None