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Disposition and metabolism of [ (1) 4 C ] PTZ601 in healthy volunteers .
 Chemical: [ (1) 4 C ] PTZ601
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: [ (1) 4 C ] PTZ601