The molecule is a tetrapyrrole fundamental parent that consists of four isoindole-type units, with the connecting carbon atoms in the macrocycle replaced by nitrogen. It is a tetrapyrrole fundamental parent and a member of phthalocyanines.
2,11,20,29,37,38,39,40-octazanonacyclo[28.6.1.13,10.112,19.121,28.04,9.013,18.022,27.031,36]tetraconta-1,3,5,7,9,11,13,15,17,19(39),20,22,24,26,28,30(37),31,33,35-nonadecaene