User contributions for 130111122

A user with 8 edits. Account created on 7 November 2013.
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20 October 2014

17 October 2014

  • 17:1017:10, 17 October 2014 diff hist +104 N NH group Created page with " The NH group is better none as an amine group, a derivative of ammonia. It is an organic compound."

18 November 2013