17088
Simultaneous determination of 2 - naphthol and 1 - hydroxypyrene in fish and shellfish contaminated with crude oil by gas chromatography - mass spectrometry .
 2 - naphthol, 1 - hydroxypyrene
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 2 - naphthol, 1 - hydroxypyrene