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The principal constituents of the oils were similar except for the minor compounds , including linalool , terpinen - 4 - ol and alpha - terpineol , the levels of which increased after steam distillation .
 Chemical: linalool; Chemical: terpinen - 4 - ol; Chemical: alpha - terpineol
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: linalool; Chemical: terpinen - 4 - ol; Chemical: alpha - terpineol