Synonyms: Cobalt,[37H,39H-tetranaphtho[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazinato(2-)-N37,N38,N39,N40]-,(SP-4-1)-; Cobalt,[tetranaphtho[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazinato(2-)]- (8CI);37H,39H-Tetranaphtho[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazine, cobaltcomplex; 37H,39H-Tetranaphtho[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazine,cobalt deriv.; (2,3-Naphthalocyaninato)cobalt