The molecule is a cyclic pentapyrrole derivative that consists of five isoindole-type units, with the connecting carbon atoms replaced by nitrogen. The parent of the class of superphthalocyanines.
2,11,20,29,38,46,47,48,49,50-decazaundecacyclo[37.6.1.13,10.112,19.121,28.130,37.04,9.013,18.022,27.031,36.040,45]pentaconta-1,3,5,7,9,11,13,15,17,19(49),20,22,24,26,28,30(47),31,33,35,37,39(46),40,42,44-tetracosaene