20208
Baeckein E , a new bioactive C - methylated biflavonoid from the roots of Baeckea frutescens .
 Chemical: Baeckein E; Chemical: C - methylated biflavonoid
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: Baeckein E; Chemical: C - methylated biflavonoid