Synonyms: Cuprate(1-),[9,16,23-tris(aminosulfonyl)-29H,31H-phthalocyanine-2-sulfonato(3-)-N29,N30,N31,N32]-,ammonium, (SP-4-2)-; 29H,31H-Phthalocyanine-2-sulfonic acid,9,16,23-tris(aminosulfonyl)-, copper complex; Ammonium[9,16,23-trisulfamoyl-29H,31H-phthalocyanine-2-sulfonato(3-)-N29,N30,N31,N32]cuprate(1-)