28550
Among them , 3 compounds were confirmed as ER agonists and 8 compounds were confirmed as ER antagonists by yeast two - hybrid ( Y2H ) assay , with EC50 values ranging from several micromolar to 100 micromolar .
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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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