Synonyms: Nickel,[5,9,14,18,23,27,32,36-octabutoxy-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, nickelderiv.; Ni(II)-5,9,14,18,23,27,32,36-octabutoxy-2,3-naphthalocyanine