7257
The bio - toxicity of compounds 1 - 9 were determined by brine shrimp lethality bioassay with median lethal concentration ( LC ( 50 ) ) values of 2 . 59 - 205 . 67 mu M .
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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:
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