16788
A new O - prenylated flavonol , 3 ' , 4 ' - dimethoxy - 7 - ( gamma , gamma - dimethylallyloxy ) flavonol ( 1 ) , together with three known compounds , 2 ' - hydroxy - 3 , 4 - dimethoxychalcone ( 2 ) , biochanin A ( 3 ) and kaempferol - 3 - O - beta - d - glucopyranoside ( 4 ) , were isolated from the roots of Sophora interrupta Bedd .
 Chemical: O - prenylated flavonol; Chemical: 3 ' , 4 ' - dimethoxy - 7 - ( gamma , gamma - dimethylallyloxy ) flavonol; Chemical: 2 ' - hydroxy - 3 , 4 - dimethoxychalcone; Chemical: biochanin A; Chemical: kaempferol - 3 - O - beta - d - glucopyranoside
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, 3 ' , 4 ' - dimethoxy - 7 - ( gamma , gamma - dimethylallyloxy ) flavonol, 2 ' - hydroxy - 3 , 4 - dimethoxychalcone, biochanin A, kaempferol - 3 - O - beta - d - glucopyranoside 
Answer:
 Chemical: O - prenylated flavonol; Chemical: 3 ' , 4 ' - dimethoxy - 7 - ( gamma , gamma - dimethylallyloxy ) flavonol; Chemical: 2 ' - hydroxy - 3 , 4 - dimethoxychalcone; Chemical: biochanin A; Chemical: kaempferol - 3 - O - beta - d - glucopyranoside