Description Heptazine correct.svg	English: Structure of a trisubstituted heptazine
Date	1 January 2011
Source	Own work
Author	MyName ( Lee Sau Dan
Permission ( Reusing this file )	Public domain Public domain false false I, the copyright holder of this work, release this work into the public domain . This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law.

Created with BKchem , starting from the shaped generated SMILES : "n2c(I)nc1nc(I)nc3n1c2nc(I)n3". Based on File:Heptazine correct.gif

I, the copyright holder of this work, release this work into the public domain . This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law.