9161
A new withanolide , named withawrightolide ( 1 ) , and four known withanolides ( 2 - 5 ) were isolated from the aerial parts of Datura wrightii .
 withanolide, withawrightolide, withanolides
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 withanolide, withawrightolide, withanolides