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4 . The results indicated that M1 and M2 with parent compound ( M0 ) were mainly eliminated in faeces and three glucuronide metabolites ( M3 , M4 and M5 ) excreted in bile as the predominant forms after oral administration of GA ( 15 : 1 ) to rats .
 Chemical: glucuronide; Chemical: GA ( 15 : 1 )
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: glucuronide; Chemical: GA ( 15 : 1 )