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Synthesis of Atactic and Isotactic Poly ( 1 , 2 - glycerol carbonate ) s : Degradable Polymers for Biomedical and Pharmaceutical Applications .
 Chemical: Poly ( 1 , 2 - glycerol carbonate ) s
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: Poly ( 1 , 2 - glycerol carbonate ) s