Umbertoluca Ranieri, Akun Liang, Charles Lamb, James Spender, Sarah Bolton, Andrey Aslandukov, Bernhard Massani, Ferenc Tasnádi, Pierre-Olivier Autran, James A. D. Ball, Angelika D. Rosa, Bihan Wang, Florian Trybel, Dominique Laniel. "High-Pressure Synthesis of Two Pb<sub>3</sub>(C<sub>3</sub>N<sub>6</sub>) Polymorphs Featuring Fully Deprotonated [C<sub>3</sub>N<sub>6</sub>]<sup>6–</sup> Melaminate Anions." Journal of the American Chemical Society (2025). https://doi.org/10.1021/jacs.5c09198