Phosphorescence of hexachlorosubstituted subphthalocyanine and its pyrazine analogue. - Arabei SM; Pershukevich PP; Belkov MV; Gladkov LL; Tabolich AA; Solovyov KN; Skvortsov IA; Stuzhin PA (Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 2023)