17554
Groups of rats were treated orally with different doses of ectoine ( 30 - 300mg / kg ) or sulfasalazine ( reference drug ) daily for 11 days .
 Chemical: ectoine; Chemical: sulfasalazine
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: ectoine; Chemical: sulfasalazine