25033
Optimum conditions were determined to be 40 degrees C and pH 6 using 4 - nitrophenyl beta - d - glucuronide as an indicator .
 Chemical: 4 - nitrophenyl beta - d - glucuronide
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: 4 - nitrophenyl beta - d - glucuronide