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In particular , he has developed a silicon / pseudoephedrine allylation reagent for the highly enantioselective allylation of aldehydes and aldehyde/ketone derived hydrazones to give chiral alcohols and secondary/tertiary carbinamines , respectively .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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