20634
Here we synthesized a number of new derivatives of 3 - methyl - benzyl - PP ( 3 - MB - PP , or 1 ) .
 Chemical: 3 - methyl - benzyl - PP; Chemical: 3 - MB - PP
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: 3 - methyl - benzyl - PP; Chemical: 3 - MB - PP