16804
Samples ( 0 . 5 g ) were extracted using 80 % methanol and immunoreactive metabolites measured using the 11 - KT EIA and an already established 11 , 17 - dioxoandrostane ( 11 , 17 - DOA ) EIA .
 Chemical: methanol; Chemical: 11 - KT; Chemical: 11 , 17 - dioxoandrostane; Chemical: 11 , 17 - DOA
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: methanol; Chemical: 11 - KT; Chemical: 11 , 17 - dioxoandrostane; Chemical: 11 , 17 - DOA