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Diphysidione ( 1 ) , a new p - hydroxyphenyl anhydride , and vitexin ( 2 ) were isolated from the leaves of Diphysa carthagenensis .
 Chemical: Diphysidione; Chemical: p - hydroxyphenyl anhydride; Chemical: vitexin
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: Diphysidione; Chemical: p - hydroxyphenyl anhydride; Chemical: vitexin