Synonyms: Cuprate(2-),[C-(aminosulfonyl)-29H,31H-phthalocyanine-C,C-disulfonato(4-)-N29,N30,N31,N32]-,disodium; Cuprate(2-),[C-(aminosulfonyl)-29H,31H-phthalocyanine-C,C-disulfonato(4-)-kN29,kN30,kN31,kN32]-, disodium (9CI);29H,31H-Phthalocyanine-C,C-disulfonic acid, C-(aminosulfonyl)-, copper complex