16805
High - performance liquid chromatography separation revealed no peak in the same elution position as authentic 11 - KT ; therefore , reacting substances were referred to as 11 - KT equivalents .
 Chemical: 11 - KT; Chemical: 11 - KT
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: 11 - KT; Chemical: 11 - KT