Synonyms: Copper,[tetrahydrogen phthalocyaninetetrasulfonato(2-)]- (7CI,8CI); Cuprate(4-),[29H,31H-phthalocyanine-C,C,C,C-tetrasulfonato(6-)-N29,N30,N31,N32]-,tetrahydrogen; Cuprate(4-), [29H,31H-phthalocyanine-C,C,C,C-tetrasulfonato(6-)-kN29,kN30,kN31,kN32]-, tetrahydrogen (9CI);Phthalocyaninetetrasulfonic acid, copper deriv. (6CI);29H,31H-Phthalocyanine-C,C,C,C-tetrasulfonic acid, copper complex; Coppertetrasulfonatophthalocyanine; Copper tetrasulfonatophthalocyanine(4-); Coppertetrasulfophthalocyanine; Copper(II) phthalocyaninetetrasulfonate; Copper(II)tetrasulfophthalocyanine; Novalon Brilliant Blue BL