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
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 3 - methyl - benzyl - PP, 3 - MB - PP 
Answer:
 Chemical: 3 - methyl - benzyl - PP; Chemical: 3 - MB - PP