16270
Well - defined amphiphilic linear - dendritic prodrugs ( MPEG - b - PAMAM - DOX ) are synthesized by conjugating doxorubicin ( DOX ) , to MPEG - b - PAMAM through the acid - labile hydrazone bond .
 Chemical: MPEG - b - PAMAM - DOX; Chemical: doxorubicin; Chemical: DOX; Chemical: MPEG - b - PAMAM; Chemical: hydrazone
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: MPEG - b - PAMAM - DOX; Chemical: doxorubicin; Chemical: DOX; Chemical: MPEG - b - PAMAM; Chemical: hydrazone