1. 
   Lysidine
   [chemical] Lysidine is an imidazoline derivative. This compound can be an intermediate in the synthesis of metronidazole; it may be prepared by reacting ethylenediamine with acetic acid to give the diamide, followed by treatment with lime. Raney nickel dehydrogenates it to 2-methylimidazole....
   Found op http://en.wikipedia.org/wiki/Lysidine_(chemical)
   
   
2. 
   Lysidine
   [nucleoside] Lysidine is an uncommon nucleoside, rarely seen outside of tRNA. It is a derivative of cytidine in which the carbonyl is replaced by the amino acid lysine. The third position in the anti-codon of the Isoleucine-specific tRNA, is typically changed from a cytidine which would pair...
   Found op http://en.wikipedia.org/wiki/Lysidine_(nucleoside)
   
   

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