21056
MC - RR was measured in 50 % of the samples analyzed , ranging between 1 . 4 and 7 . 8 mu g MC - RR / g body weight and no MC - YR was detected .
 Chemical: MC - RR; Chemical: MC - RR; Chemical: MC - YR
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: MC - RR; Chemical: MC - RR; Chemical: MC - YR