1360
We present a compilation of the benefits of such studies in the understanding of the in vivo pharmacological activity and disposition of new drug candidates , including interpretation of preclinical toxicology findings , characterization of circulating metabolites , and determination of principal pathways of clearance .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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