1917
1 . UDP - glucuronosyltransferases ( UGTs ) are a group of drug - metabolizing enzymes that catalyse the conjugation of endogeonous compounds and xenobiotics to yield hydrophilic glucuronides which subsequently undergo excretion .
 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: UDP