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Among the usual lipids found in the insect cuticle , alpha - tocopherol and alpha - tocopheryl acetate were also isolated from S . cosmioides .
 Chemical: alpha - tocopherol; Chemical: alpha - tocopheryl acetate
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: alpha - tocopherol; Chemical: alpha - tocopheryl acetate