15536
3 , 4 - DHPEA - EDA was oxidised by enzymatic and Fenton reactions .
 Chemical: 3 , 4 - DHPEA - EDA
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: 3 , 4 - DHPEA - EDA