68443-88-9 Dimethylethyl-2-(2-methylpropenato)ethylammonium ethyl sulfate, maleic anhydride copolymer, sodium salt Ethanaminium, N-ethyl-N,N-dimethyl-2-((2-methyl-1-oxo-2-propenyl)oxy)-, ethyl sulfate, polymer with 2,5-furandione, sodium salt