Synonyms: Nickel,[2,11,20,29-tetrakis(1,1-dimethylethyl)-37H,39H-tetranaphtho[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazinato(2-)-N37,N38,N39,N40]-,(SP-4-1)-;37H,39H-Tetranaphtho[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazine,2,11,20,29-tetrakis(1,1-dimethylethyl)-, nickel complex;37H,39H-Tetranaphtho[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazine, nickelderiv.