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However , the amount of 5 - OH - BP - 3 formed in vitro was about the same as that of 2 , 4 - diOH - BP .
 Chemical: 5 - OH - BP - 3; Chemical: 2 , 4 - diOH - BP
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: 5 - OH - BP - 3; Chemical: 2 , 4 - diOH - BP