27272
Luteolin ( CE50 : 1 . 5 mu g / ml ) , chrysoeriol ( CE50 : 13 . 2 mu g / ml ) and p - coumaric acid ( CE50 : 95 . 2 mu g / ml ) , isolated from the aqueous extract , caused dilatation of thoracic aortic rings pre - contracted with phenylephrine .
 Luteolin, chrysoeriol, p - coumaric acid, phenylephrine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Luteolin, chrysoeriol, p - coumaric acid, phenylephrine