9512
Development of sample preparation method for isoliquiritigenin , liquiritin , and glycyrrhizic acid analysis in licorice by ionic liquids - ultrasound based extraction and high - performance liquid chromatography detection .
 Chemical: isoliquiritigenin; Chemical: liquiritin; Chemical: glycyrrhizic acid
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: isoliquiritigenin; Chemical: liquiritin; Chemical: glycyrrhizic acid