6432
Detection of designer steroid methylstenbolone in " nutritional supplement " using gas chromatography and tandem mass spectrometry : elucidation of its urinary metabolites .
 Chemical: steroid; Chemical: methylstenbolone
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: steroid; Chemical: methylstenbolone