7116
Propenone analogs 4 possess some of the structurally important characteristics of isoflavone 2 and chalcone 3 previously known as potent IL - 5 inhibitor .
 Chemical: Propenone; Chemical: isoflavone; Chemical: chalcone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Propenone; Chemical: isoflavone; Chemical: chalcone