23381
In Vivo Degradation and Elimination of Injectable Ricinoleic Acid - Based Poly ( ester - anhydride ) .
 Chemical: Ricinoleic Acid; Chemical: Poly ( ester - anhydride )
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: Ricinoleic Acid; Chemical: Poly ( ester - anhydride )