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Old Posted: 7/3/2011 3:31:22 AM   #1
 
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Default  Pentavalent carbon?

Would a pentavalent carbon really form here? Should carbon 2's hydrogen be removed?
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Old Posted: 12/8/2017 2:07:35 AM   #2
 
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Old Posted: 12/8/2017 2:07:59 AM   #3
 
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Old Posted: 12/15/2017 1:56:15 AM   #4
 
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Old Posted: 12/15/2017 4:27:10 AM   #5
 
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Default  Que se passe-t-il

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