6534
2 . After oral administration of GA ( 15 : 1 , M0 ) to rats at a dose of 10 mg / kg , it was found that metabolites M1 - M5 together with parent compound ( M0 ) existed in rat plasma ; parent compound ( M0 ) and metabolites M2 - M5 were observed in rat bile , and parent compound ( M0 ) with metabolites M1 and M2 were discovered in rat faeces , and there was no parent compound and metabolite detectable in rat urine .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None