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Firstly , sustained release ketoprofen fine granules were developed by spray drying the aqueous dispersions composed of Eudragit RS - 30D , Starch 1500 and PEG 6000 .
 Chemical: ketoprofen; Chemical: Eudragit RS - 30D; Chemical: PEG 6000
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: ketoprofen; Chemical: Eudragit RS - 30D; Chemical: PEG 6000