Bai, Hong Ye published the artcile1,8,16,23-Tetrakis(2-cyanobenzyl)bis-p-xylylbis-m-xylyldiamine, Application In Synthesis of 612-13-5, the publication is Acta Crystallographica, Section E: Structure Reports Online (2008), 64(11), o2142, o2142/1-o2142/11, database is CAplus and MEDLINE.
The title compound {systematic name: 2,2′,2”,2”’-[3,7,11,15-tetraaza-1(1,4),5(1,3),9(1,4),13(1,3)-tetrabenzenacyclohexadecaphane-3,7,11,15-tetrayltetramethylene]tetrabenzonitrile}, C64H56N8, is a centrosym. macrocycle that is consolidated into the crystal structure by C-H···π interactions. Crystallog. data are given.
Acta Crystallographica, Section E: Structure Reports Online published new progress about 612-13-5. 612-13-5 belongs to nitriles-buliding-blocks, auxiliary class Organic Pigment, name is 2-(Chloromethyl)benzonitrile, and the molecular formula is C8H6ClN, Application In Synthesis of 612-13-5.
Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts