28735
Results from the electron paramagnetic resonance ( EPR ) spin - trapping experiments unequivocally showed the presence of a phenyl radical intermediate from < i > meta < / i > and < i > para < / i > isomers , and not from the < i > ortho < / i > isomer .
 Chemical: phenyl
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: phenyl 
Answer:
 Chemical: phenyl