1755
The highest Cmax ( 9 . 22 mg / L ) was obtained with F - II , similar lower values was seen for F - I and F - III , while commercial products showed the lowest values R - I ( 5 . 58 mg / L ) and R - II ( 4 . 18 mg / L ) .
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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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