Synonyms: Cuprate(3-), (29H,31H-phthalocyanine-C,C,C-trisulfonato(5-)-kappaN29,kappaN30,kappaN31,kappaN32)-, barium (2:3);Copper phthalocyanine trisulfonate, barium salt (2:3);Tribarium bis((29H,31H-phthalocyaninetrisulphonato(5-)-N29,N30,N31,N32)cuprate(3-))