4926
AA was metabolized to epoxyeicosatrienoic acids and 19 - and 20 - hydroxyeicosatetraenoic acid in the heart , lung , kidney , and liver but with varying metabolic activities and regioselectivity .
 epoxyeicosatrienoic acids, 19 - and 20 - hydroxyeicosatetraenoic acid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 epoxyeicosatrienoic acids, 19 - and 20 - hydroxyeicosatetraenoic acid