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A high - performance liquid chromatography method was developed and validated for the simultaneous quantitation of two major rotenoids , boeravinone E and boeravinone B , in Boerhaavia diffusa extract and its formulation .
 rotenoids, boeravinone E, boeravinone B
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 rotenoids, boeravinone E, boeravinone B