16787
A new O - prenylated flavonol from the roots of Sophora interrupta .
 Chemical: O - prenylated flavonol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: O - prenylated flavonol 
Answer:
 Chemical: O - prenylated flavonol