Sodium (ethylenediamine)tetramethylenephosphonate22036-77-7100 % similar Dequest 206622042-96-297 % similar Edtmp1429-50-161 % similar Pentasodium aminotris(methylphosphonic acid)2235-43-059 % similar Dtpmp15827-60-859 % similar Hexanediaminetetra(methylenephosphonic acid)23605-74-550 % similar P,P′,P′′,P′′′-[[(Phosphonomethyl)imino]bis[6,1-hexanediylnitrilobis(methylene)]]tetrakis[phosphonic acid]34690-00-148 % similar Polaris2439-99-837 % similar N-(Phosphonomethyl)iminodiacetic acid5994-61-637 % similar Monosodium phosphate7558-80-731 % similar Monosodium phosphate89140-32-931 % similar Disodium phosphate7558-79-430 % similar