122170-90-5 Al-Pcts Alpcs4 Aluminate(3-), (29H,31H-phthalocyanine-C,C,C,C-tetrasulfonato(6-)-kappaN29,kappaN30,kappaN31,kappaN32)-, tetrahydrogen Aluminum phthalocyanine tetrasulfonate Aluminum tetrasulfophthalocyanine Photosens