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Nucleophilic substitution at the carbonyl group - Cyclic acetal formation is loaded

The Glasgow chemists show that diketopiperazine cyclic amino acid dimers could have been an important part of peptide formation prior to life’s emergence © Nature Publishing Group


Someone is helping Christians, and the other guy is helping "The Rebels", also known as al-Qaeda ... you know, Osama Bin Ladin's terrorist group. Nice going Obama, you are helping the bad guys !!!


Just because an animal looks fine don't mean they are fine. Neuropathic pain is different then physical pain. Join the fight against declawing, tail docking , and ear clipping today. Join groups and sign petitions. Here is mine for dclawing