321690
Boldenone ( 1,4-androstadiene-3-one-17 β-ol , available as the undecylenate ester ) , also known under the trade names Equipoise , Ganabol , Equigan and Ultragan , is an anabolic steroid developed for veterinary use , mostly for treatment of horses .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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