Synonyms: Copper,[tetrahydrogen 2,9,16,23-phthalocyaninetetracarboxylato(2-)]- (8CI);Cuprate(4-),[29H,31H-phthalocyanine-2,9,16,23-tetracarboxylato(6-)-N29,N30,N31,N32]-,tetrahydrogen, (SP-4-1)-; Cuprate(4-),[29H,31H-phthalocyanine-2,9,16,23-tetracarboxylato(6-)-kN29,kN30,kN31,kN32]-, tetrahydrogen, (SP-4-1)-(9CI); 29H,31H-Phthalocyanine-2,9,16,23-tetracarboxylic acid, copper complex;Copper 2,9,16,23-tetracarboxyphthalocyaninate; Copper4,4',4'',4'''-tetracarboxyphthalocyanine; Copper phthalocyanine tetracarboxylicacid