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Ten new abietane diterpenoids , aquilarabietic acids A - J ( 1 - 10 ) , and a new podocarpane diterpenoid , aquilarabietic acid K ( 11 ) , were isolated from the petroleum ether and ethanol extracts of Chinese eaglewood .
 abietane, diterpenoids, aquilarabietic acids A - J, podocarpane, diterpenoid, aquilarabietic acid K, petroleum ether, ethanol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 abietane, diterpenoids, aquilarabietic acids A - J, podocarpane, diterpenoid, aquilarabietic acid K, petroleum ether, ethanol