12564
Their structures were elucidated primarily by NMR spectroscopy , and the absolute of the C - 6 secondary alcohol in 1 was deduced on the basis of circular dichroism ( CD ) data .
 Chemical: secondary alcohol
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: secondary alcohol