16693
Among the excipients studied , 1mM of TETA , EDTA , or GSH prevented insulin aggregation upon metal catalyzed oxidation ( MCO ) for 3h at room temperature , based on size exclusion chromatography ( SEC ) .
 Chemical: TETA; Chemical: EDTA; Chemical: GSH
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: TETA; Chemical: EDTA; Chemical: GSH