17494
Wine volatiles which were significantly influenced by harvest date were isobutyl methoxypyrazine , C ( 6 ) alcohols and hexyl acetate , all of which decreased as ripening progressed .
 Chemical: isobutyl methoxypyrazine; Chemical: alcohols; Chemical: hexyl 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: isobutyl methoxypyrazine; Chemical: alcohols; Chemical: hexyl acetate