shaped generated SMILES: "n2c(I)nc1nc(I)nc3n1c2nc(I)n3". Based on File:Heptazine correct.gif English author name string: Lee Sau Dan Wikimedia username: Lee...
Attribution-Share Alike 4.0 truetrue English Structure of proper (unsubstituted) heptazine, C6N7H3 URL: https://commons.wikimedia.org/wiki/user:Jorge_Stolfi Wikimedia...
