11682
On the basis of 1D and 2D NMR , HR - ESI - MS , and circular dichroism ( CD ) spectroscopic analysis , structures of the new compounds were elucidated as 2 - ( 2 ' - methoxy - 4 ' - hydroxy ) - aryl - 3 - methy - 6 - hydroxy - benzofuran ( 1 ) , ( 2S ) - 6 , 7 - ( 2 , 2 - dimethyldihydropyrano ) - 8 - prenyl - 4 ' - hydroxyflavanone ( 2 ) , and 6 - prenyl - 7 , 3 ' , 4 ' - trihydroxyflavone ( 3 ) .
 Chemical: 2 - ( 2 ' - methoxy - 4 ' - hydroxy ) - aryl - 3 - methy - 6 - hydroxy - benzofuran; Chemical: ( 2S ) - 6 , 7 - ( 2 , 2 - dimethyldihydropyrano ) - 8 - prenyl - 4 ' - hydroxyflavanone; Chemical: 6 - prenyl - 7 , 3 ' , 4 ' - trihydroxyflavone
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: 2 - ( 2 ' - methoxy - 4 ' - hydroxy ) - aryl - 3 - methy - 6 - hydroxy - benzofuran; Chemical: ( 2S ) - 6 , 7 - ( 2 , 2 - dimethyldihydropyrano ) - 8 - prenyl - 4 ' - hydroxyflavanone; Chemical: 6 - prenyl - 7 , 3 ' , 4 ' - trihydroxyflavone