2-Butenedioic acid (2Z)-, mono(2-butoxyethyl) ester, ammonium salt,polymer with (Z)-4-amino-4-oxo-2-butenoic acid monoammonium salt, (Z)-diammonium 2-butenedioate and ethenylbenzene 68568-42-3 Ethenylbenzene, polymer with maleic acid, ammonium salt, maleic acid, butylcellosolve ester, ammonium salt and maleamic acid, ammonium salt