67968-22-3 EINECS 267-961-8 Nickelate(4-), ((((nitrilo-kappaN)tris(methylene))tris(phosphonato-kappaO))(6-))-, triammonium hydrogen, (T-4)- Triammonium hydrogen (((nitrilotris(methylene))tris(phosphonato))(6-))nickelate(4-) Triammonium nickelous nitrilotri(methylene phosphonate)