2,5,11,14,19,22,28,31 – Octaoxa – 8,25 – diazatricyclo[30.2.2.215,18]octatriaconta – 15,17,32,34,35,37 – hexaene
2,5,11,14,19,22,28,31 – Octaoxa – 8,25 – diazatricyclo[30.2.2.215,18]octatriaconta – 15,17,32,34,35,37 – hexaene, (P. L. Anelli, J. F. Stoddart, A. M. Z. Slawin, and D. J. Williams), Acta Crystallogr. C. 1990, 46, 1468-1470.