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              acetal
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                      A type of compound formed by re-action of an alcohol with either an aldehydeor a ketone.The first step in formation ofan acetal is the formation of an intermedi-ate,known as a hemiacetal.For example,ethanal(acetaldehyde;CH3CHO) reactswith ethanol (C2H5OH)......（本文共 3099 字）      [閱讀本文] >> 
               
			  
				 
              
				 
				
				
              
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