5817
5 . These findings suggested that , following oral administration of darexaban in humans , M1 is quickly formed during first - pass metabolism via UDP - glucuronosyltransferases , exerting its pharmacological activity in blood before being excreted into urine and faeces .
 Chemical: darexaban; Chemical: UDP
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: darexaban; Chemical: UDP