68637-19-4 Alpcs2 Aluminate(2-), chloro(29H,31H-phthalocyanine-C,C-disulfonato(4-)-kappaN29,kappaN30,kappaN31,kappaN32)-, dihydrogen Aluminate(2-), chloro(29H,31H-phthalocyaninedisulfonato(4-)- N29,N30,N31,N32)-, dihydrogen Aluminum phthalocyanine disulfonate Clalpcs Disulfonated aluminum phthalocyanine