17870
Cellulose - ethylenediaminetetraacetic acid ( EDTA ) conjugates were synthesized by the esterification of cellulose with ethylenediaminetetraacetic dianhydride ( EDTAD ) .
 Chemical: ethylenediaminetetraacetic acid; Chemical: EDTA; Chemical: ethylenediaminetetraacetic dianhydride; Chemical: EDTAD
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: ethylenediaminetetraacetic acid; Chemical: EDTA; Chemical: ethylenediaminetetraacetic dianhydride; Chemical: EDTAD