6460
The 4 - desmethylated metabolite , 2 , 4 - dihydroxybenzophenone ( 2 , 4 - diOH - BP ) , previously reported as the major in vivo metabolite of BP - 3 , was also detected .
 Chemical: 2 , 4 - dihydroxybenzophenone; Chemical: 2 , 4 - diOH - BP; Chemical: BP - 3
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: 2 , 4 - dihydroxybenzophenone; Chemical: 2 , 4 - diOH - BP; Chemical: BP - 3