24749
A liquid chromatography / tandem mass spectrometry ( LC - MS / MS ) method was developed to determine concentrations of posaconazole in human plasma precipitated by acetonitrile including internal standard .
 Chemical: posaconazole; Chemical: acetonitrile
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: posaconazole; Chemical: acetonitrile