Synonyms: Tetranaphtho[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazine(8CI); 2,3-Naphthalocyanine; 6,35:17,24-Diimino-8,15:33,26-dinitrilotetranaphtho[2,3-c:2',3'-h:2'',3''-m:2''',3'''-r][1,6,11,16]tetraazacycloeicosine;Naphthalocyanine; Tetrabenzo[g]quinoxalino-2,3-porphyrazine