16649
The absorption and excretion of the insect repellent IR3535 ( (R) ) was studied in human subjects ( five males and five females ) after dermal application of approx . 3g of a formulation containing 20 % IR3535 ( (R) ) , i . e . the amounts of IR3535 ( (R) ) applied were between 1 . 94 and 3 . 4 mmol / person ( 418 - 731 mg / person ) .
 IR3535, IR3535, IR3535
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 IR3535, IR3535, IR3535