Synonyms: Copper phthalocyanine trisulfonic acid;Copper phthalocyaninetrisulfonic acid, sodium salt;Copper, (29H,31H-phthalocyanine-ar,ar',ar''-trisulfonato(2-)-N29,N30,N31,N32)-, trisodium salt;Phthalocyanine, sulfonated;Sulphonated phthalocyanine;Cuprate(3-), (29H,31H-phthalocyanine-C,C,C-trisulfonato(5-)-N29,N39,N31,N32)-, trisodium;Cuprate(3-), (29H,31H-phthalocyanine-C,C,C-trisulfonato(5-)-kappaN29,kappaN30,kappaN31,kappaN32)-, sodium (1:3);Cuprate(3-), (29H,31H-phthalocyanine-C,C,C-trisulfonato(5-)-kappaN29,kappaN30,kappaN31,kappaN32)-, trisodium;Trisodium (29H,31H-phthalocyaninetrisulphonato(5-)-N29,N30,N31,N32)cuprate(3-)