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Phytochemical investigation of ethanol extract from the flowers of Trollius chinensis Bunge resulted in the isolation of two new flavone C - glycosides ( 1 - 2 ) , along with 10 known compounds ( 3 - 12 ) .
 Chemical: ethanol; Chemical: flavone C - glycosides
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: ethanol; Chemical: flavone C - glycosides