10258
The work - up is simple and the results obtained indicate that , unlike classical heating , ultrasonic irradiation results in higher yields , shorter reaction times ( 1 . 5 - 2 . 3 h ) and milder conditions .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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