13689
After single 50 or 100 mg / kg intravenous dose of IHN to Sprague - Dawley rats , the drug showed statistically significant dose - dependent alterations in systemic clearance , suggesting a non - linear saturable elimination of IHN .
 Chemical: IHN; Chemical: IHN
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: IHN; Chemical: IHN