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The biodistribution by positron emission tomography ( PET ) in baboons and the in vitro and in vivo metabolism of [ ( 18 ) F ] DPA - 714 were investigated in rats , baboons , and humans .
 Chemical: [ ( 18 ) F ] DPA - 714
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: [ ( 18 ) F ] DPA - 714