Synonyms: Copper, (29H,31H-phthalocyaninato(2-)-kappaN29,kappaN30,kappaN31,kappaN32)-, ((3-phosphonophenyl)amino)sulfonyl sulfo derivs., sodium salts;Copper, (29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32)-, ((3-phosphonophenyl)amino)sulfonyl sulfo derivs, sodium salts;Copper, (29H,31H-phthalocyaninato(2-)-N29,N30,N31,N32)-, ((3-phosphonophenyl)amino)sulfonyl sulfo derivs., sodium salts