21762
Variability of n - alkanes and nonacosan - 10 - ol in natural populations of Picea omorika .
 Chemical: n - alkanes; Chemical: nonacosan - 10 - ol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: n - alkanes, nonacosan - 10 - ol 
Answer:
 Chemical: n - alkanes; Chemical: nonacosan - 10 - ol