Synonyms: Tetrakis-p-dithiino[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazine(8CI);5,28:14,19-Diimino-7,12:26,21-dinitrilotetrakis-p-dithiino[2,3-c:2',3'-h:2'',3''-m:2''',3'''-r][1,6,11,16]tetraazacycloeicosine;5,28:14,19-Diimino-7,12:26,21-dinitrilotetrakis[1,4]dithiino[2,3-c:2',3'-h:2'',3''-m:2''',3'''-r][1,6,11,16]tetraazacycloeicosine