28100
Identification of the fused bicyclic 4 - amino - 2 - phenylpyrimidine derivatives as novel and potent PDE4 inhibitors .
 Chemical: 4 - amino - 2 - phenylpyrimidine
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: 4 - amino - 2 - phenylpyrimidine 
Answer:
 Chemical: 4 - amino - 2 - phenylpyrimidine