!!!! Heptazine and related topics

==== Wikipedia

https://en.wikipedia.org/wiki/Heptazine
https://en.wikipedia.org/wiki/Graphitic_carbon_nitride

==== References
https://www.sciencedirect.com/science/article/pii/S0010854512002925 @@ Tri-s-triazines (s-heptazines)—From a “mystery molecule” to industrially relevant carbon nitride materials
https://pubs.acs.org/doi/abs/10.1021/acs.chemmater.9b02199 @@ Schlomberg: Structural Insights into Poly(Heptazine Imides): A Light-Storing Carbon Nitride Material for Dark Photocatalysis

https://pubs.rsc.org/lv/content/articlelanding/2011/ce/c1ce05342f @@ Eichhorn: Self-assembly of melem on Ag(111)—emergence of porous structures based on amino-heptazine hydrogen bonds

https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/chem.201703364 @@ Bala and Singh: Heptazine: an Electron‐Deficient Fluorescent Core for Discotic Liquid Crystals

https://www.nature.com/articles/nmat2317 @@ Xinchen Wang: A metal-free polymeric photocatalyst for hydrogen production from water under visible light

https://pubs.rsc.org/en/content/articlelanding/2002/jm/b107419a  @@ Komatsu: Synthesis aand characterization...

https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=PASCAL7960022004 @@ ANALYSE SUBLIMATOGRAPHIQUE. SEPARATION SUBLIMATOGRAPHIQUE DE MELAMINE, MELAM ET MELEM

https://pubs.rsc.org/en/content/articlelanding/2019/ta/c9ta04942h/unauth#!divAbstract @@ Xiaobo li, Bartlett: Salt-enhanced photocatalytic hydrogen production from water with carbon nitride nanorod photocatalysts: cation and pH dependence

https://pubs.acs.org/doi/abs/10.1021/ja048939y @@ Miller, Swenson: Synthesis and Structure of 2,5,8-Triazido-s-Heptazine:  An Energetic and Luminescent Precursor to Nitrogen-Rich Carbon Nitrides

https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=PASCAL7760449914 @@ Spasskaya: INTERACTION ENTRE LE MELEM ET LE FORMALDEHYDE

https://pubs.rsc.org/lv/content/articlelanding/2019/ee/c9ee00717b @@ Guangfu Liao: Semiconductor polymeric graphitic carbon nitride photocatalysts: the “holy grail” for the photocatalytic hydrogen evolution reaction under visible light


https://patentimages.storage.googleapis.com/19/d6/e1/50bb5b8e65f195/US3515603.pdf @@ Brown: Fluorinated sym-triazine derivatives [PAT]
https://pubchem.ncbi.nlm.nih.gov/compound/291317 @@ 1,3,4,6,7,9,9b-Heptaazaphenalene-2,5,8(1H,3H,6H)-trione